Education and Career Forum

Hello sir,
good afternoon i am nitesh panchal from ujjain(M.P.). i am doinge b.e. in mechanical engg. in 3rd year. i want to go in the cbi and use my mind for my country please reply

Originally Posted by Unregistered

Hello sir,
good afternoon i am nitesh panchal from ujjain(M.P.). i am doinge b.e. in mechanical engg. in 3rd year. i want to go in the cbi and use my mind for my country please reply

Dear Aspirant!!!

Yeah sure, your qualification is enough to join CBI as minimum qualification required to join CBI is Graduation.

CBI:- Central Bureau of Investigation

You can join Sub-Inspector(Officer) post in CBI by giving CPGE Exam conducted by SSC once in a year.

CGPE:- Combined Graduate Preliminary Exam

SSC:- Staff Selection Commission


Eligibility Criteria for CBI Exam:

-You should have Qualified in bachelors degree in any strem from a recognized Institute/University.

-Candidates in final year of Graduation are not allowed to appear in the exam.

-Your Age should be between 21 to 27 years (relaxation of upto 5 years for SC/ST and 3 years for OBC in upper age limit).



Physical Standard necessary for CBI:





Selection process for CBI:

Recruitment for CBI having 3-steps-

-Written Test

-Interview

-Physical Test



Scheme of CBI recruitment Exam:





>>You can apply for CBI Exam Online through this link, Apply Online

>>For more detail regarding CBI exam visit SSC official website:

http://ssc.nic.in


>>For various vacancies detail regarding CBI, Click Here

To become CBI officer, you have to apply for Civil service Exam which is conducted by UPSC every year.
After selection, you can apply for IPS cadre, which is allotted according to rank.

Eligibility:
You can apply after completing your engineering /final yr of engg.
Age Limit:
21-30 years.

Preparation:
CSE is a very competitive exam, only 900 students are selected out of 4 lakh candidates.
It will take at least one year for preparation.
But you have enough time before that, you can start initial preparation by:
To clear civil service, you should have strong general awareness, for that read current affairs section of newspaper.
Subscribe to some good magazines also.
Develop your writing skills as you will have to write eassy in the exam.
Improve communication skills.

CGPE MY DEAR FRIEND the quallification you show thats enough for joining at sub-inspector .
EXAM-YOU SHOULD GIVE CGPE EXAM
HELD BY-SSC
AGE LIMIT-17to27YEARS
ITS A PROUDNESS FULL DUTY GOOD LUCK

Yes, you can apply for the post of CBI officer after B.E. in Mechanical Engineering.

CBI-CENTRAL BUREAU OF INVESTIGATION, to become a CBI officer you have to appear for the CGPE(Combined Graduate Preliminary Examination) conducted by SSC(Staff Selection Commission) once every year.

The candidate having Graduation Degree in any stream of education from a rwecognised University within the age of 2i to 27 years, is eligible to apply for CGPE. The upper age relaxed for reserved candidate as up to 5 years for SC/ST and up to 3 years for OBC candidate.

The selection is through written test followed by Personal Interview and Physical fitness test.

There are certain prescribed Physical standard to be met:-

Height for male candidate should not be less then 165cm an for female candidate it should not be less then 155cm. The weight must be according to the height of the candidate.

Chest for male candidate should not be less then 77cm which will be expandable to 5cm.

There is some relaxation for reserved candidate in Height and Chest standard.

CBI exam can be applied through on line. for further information you may log on to official website of SSC i.e.www.ssc.in

Originally Posted by Unregistered

Hello sir,
good afternoon i am nitesh panchal from ujjain(M.P.). i am doinge b.e. in mechanical engg. in 3rd year. i want to go in the cbi and use my mind for my country please reply

Dear friend here is the details of recruitment for cbi



Recruitment Rules
Go Back
Introduction
Various methods of recruitment are Direct Recruitment, Deputation, Promotion by Seniority or through Limited Departmental Competitive Examination.

Appointments to all Group - �A� posts are made by the President of India in consultation with the U.P.S.C. Appointments to all Group - �B� posts in the Central Bureau of Investigation, are made by the Director, CBI in consultation with the U.P.S.C., wherever necessary.
Appointments to all Group - �C� posts, except the posts of Senior Clerk Stenos, L.D.Cs, Head Constables and Constables in C.B.I., are made by the Dy. Inspector General of Police.
Appointments in the posts of Senior Clerk Stenos, Lower Division Clerks, Head Constables and constables in Group - �C�
Appointments to all posts in Group - �D� in the CBI, are made by the Superintendent of Police.

Recruitment Rules for most of the posts of CBI have been framed and notified. The rest of the Rules are under the process of revision or pending notification. No relaxation in the provisions of the rules are possible except with the prior approval of the Cabinet Secretariat which is the rule making authority.

Oath of Allegiance : Every person entering government service shall take an oath of allegiance to the Constitution of India either in English or Hindi, before Head of Department/Office or a gazetted officer nominated by him.
�
Medical Examination : Every candidate for appointment to a post (including appointment on part-time basis) under government is required to produce a medical certificate of fitness from the appropriate medical authority.
�
Verification of Character and Antecedents : �
(a) ��The appointing authority should satisfy itself that the character and antecedents of the person proposed to be appointed are such that they do not render him/her unsuitable for appointment to government service.

(b) Persons dismissed from service of the Central or a State government including the administration of Union Territories, should be deemed ineligible for appointment.

(c) While normally a person convicted for an offence involving moral turpitude should be regarded as ineligible for government service, in cases where the appointing authority feels that there are redeeming features and reasons to believe that such a person has cured himself of the weakness, he can be considered for appointment after obtaining specific approval of the government.

Executive Ranks
DIRECTOR
Group A
Sanctioned Strength: 1
Pay Scale: Rs. 26000/- [fixed]
The Director is recruited exclusively by deputation of the officers of Indian Police Services, who have been approved for appointment as Director General of Police under the Government of India respectively. Recommendations for appointments are made by a CBI Selection Board headed by Central Vigilance Commissioner and Home Secretary, Secretary (Co-ordn & PG), Cabinet Secretariat as Members. The views of the incumbent Director are considered by the Board for making the best choice. Final selection to these posts of CBI is made by the Appointment Committee of the Cabinet from the panel recommended by the aforesaid CBI Selection Board.

The Director, CBI shall have a minimum tenure of 2 years regardless of the date of his superannuation.

SPECIAL DIRECTOR
Group A
Sanctioned Strength: 1
Pay Scale: Rs. 24050-650-26000/- [above super time scale]
Post of the Special Director is filled up by deputation from the officers of Indian Police Service who have been approved for appointment as Additional Director General of Police under the Government of India.

ADDITIONAL DIRECTOR
Group A
Sanctioned Strength: 2
Pay Scale: Rs. 22400-525-24500/- [above super time scale]
Post of the Additional Directors are filled up by deputation from the officers of Indian Police Service who have been approved for appointment as Additional Director General of Police under the Government of India.

JOINT DIRECTOR
Group A
Sanctioned Strength: 16
Pay Scale: Rs. 18400-500-22400/- [Super Time Scale]
Eighty percent posts of the Joint Directors are filled up by deputation from the officers of Indian Police Service who have been approved for appointment as Inspector General of Police under the Government of India.

The rest twenty percent posts of Joint Directors are filled up by the departmental cadre officers who have completed 5 years regular service as DIG.

DEPUTY INSPECTOR GENERAL OF POLICE
Group A
Sanctioned Strength: 39
Pay Scale: Rs. 16400-450-20000/- [Super Time Scale]
Seventy five percent posts of DIG are filled up on deputation of the officers of Indian Police Service empanelled for holding Deputy Inspector General of Police level post at the Centre
or

Officers of Indian Revenue Service (Income Tax Service, Indian Custom and Central Excise), holding analogous posts on regular basis.

The rest twenty five percent posts are filled up from the departmental cadre officers who have completed 4 years regular service as Sr.Supdt. of Police, failing which Sr.Supdt. of Police with combined regular service of 8 years in the grade of Sr. Supdt. of Police and Supdt. of Police.

SENIOR SUPERINTENDENT OF POLICE
Group A
Sanctioned Strength: 10
Pay Scale: Rs. 14300-400-18300/-
Posts of Sr.Supdt. of Police are filled up from the departmental cadre Supdt. of Police with 4 years of regular service in the grade.

SUPERINTENDENT OF POLICE
Group A
Sanctioned Strength: 89
Pay Scale: For IPS Officers :
Rs. 10000-325-15200 [Time Scale]
Rs. 12000-375-16500/- [Junior Administrative Scale]
Rs. 14300-400--18300/- [Selection Grade]
For Non IPS Officers :
Rs. 12000-375-16500/-
Sixty percent posts of Supdt. of Police are filled on deputation of the officers of Indian Police Service/All India Services/IAAS/IRS/IC&CE and Central Police Organizations holding analogous post on regular basis.

Ten percent of the deputation posts are exclusively meant for officers belonging to services other than IPS such as AIS, IA&AS/IRS(IT), IC&CES and CPOs (the penal of the deputation posts, out of the deputation quota are to be filled up from the officers other than Indian Police Services).

The rest forty percent posts of Supdt. of Police are filled up from amongst the departmental cadre officers who have completed 6 years regular service in the rank of ASP failing which of the rank of ASP with combined regular service of 12 years in the grades of ASP & DSP.

ADDITIONAL SUPERINTENDENT OF POLICE
Group A
Sanctioned Strength: 75
Pay Scale: Rs. 10000-325-15200/-
Eighty percent posts of ASP are filled by promotion of the departmental Deputy Supdt.of Police having 6 year regular service in the grade, the rest twenty percent posts are filled up on deputation/absorption basis. Absorption will not exceed ten percent of the deputation posts.

DEPUTY SUPERINTENDENT OF POLICE
Group A
Sanctioned Strength: 240
Pay Scale: Rs. 8000-275-13500/-
Forty percent posts of Deputy Supdt.of Police are filled up by promotion of the departmental Inspectors, who have 8 years regular service in the grade.

Fifty percent posts are filled on deputation/absorption basis of the officers of Centre/State Police Organisations holding analogous posts subjected to the condition that absorption will not exceed fifteen percent of the deputation posts.

The rest ten percent posts are filled by Direct Recruitment.

INSPECTOR
Group C (non- gazetted)
Sanctioned Strength: 755
Pay Scale: Rs. 6500-200-10500/-
Fifty percent posts of Inspectors are filled up by promotion of the Sub-Inspectors in the CBI with 5 years� regular service in the grade.

Remaining fifty percent posts are filled up on deputation/transfer basis of the officers of Centre/State Police Organisations holding analogous posts.

SUB INSPECTOR
Group C (non- gazetted)
Sanctioned Strength: 381
Pay Scale: Rs. 5500-175-9000/-
Fifty percent posts of Sub-Inspectors are filled by direct recruitment through Staff Selection Commission.

Twenty five percent posts are filled up by the departmental ASIs with five years� regular service in the grade by promotion on seniority-cum-fitness basis.

The remaining twenty five percent posts are filled up through Limited Departmental Competitive Examination.

ASSISTANT SUB INSPECTOR
Group C
Sanctioned Strength: 199
Pay Scale: Rs. 4000-100-6000/-
Fifty percent posts of ASIs are filled up by promotion of departmental Head Constables of CBI with a minimum of 5 years� regular service in that grade.

Twenty five percent posts are filled up through Limited Departmental Competitive Examination.

Remaining twenty five percent by deputation/absorption.

HEAD CONSTABLE
Group C
Sanctioned Strength: 459
Pay Scale: Rs.3200-85-4900/-
Forty percent posts of Head Constables are filled up by promotion by seniority-cum-fitness basis of the Constables with at least 5 years� regular service the grade in CBI.

Forty percent posts are filled up through Limited Departmental Competitive Examination.

Remaining twenty percent are filled up by deputation/absorption.

CONSTABLE
Group C
Sanctioned Strength: 1808
Pay Scale: Rs.3050-75-3950-80-4590/-
Forty percent posts of Constables are filled up by direct recruitment.

Remaining sixty percent posts are filled up by deputation/absorption.

The direct recruitment of Constables in CBI, is made on centralized basis by CBI Head Office. Their selection is made by the Committee constituted by the Director, CBI.

Law Officers
LEGAL ADVISOR / DIRECTOR OF PROSECUTION
Group A
Sanctioned Strength: 1
Pay Scale: Rs. 18400-500-22400/-
The post of Legal Advisor / DOP is filled by the Ministry of Law.

ADDITIONAL LEGAL ADVISOR
Group A
Sanctioned Strength: 6
Pay Scale: Rs. 14300-400-18300/-
The posts of Additional Legal Advisor are filled up either by promotion from amongst Dy. Legal Advisors of CBI with 5 years regular service in the grade
or
By deputation from amongst the officers of Central/State Governments holding analogous post.

Failing both of the above methods, ALA can also be appointed by direct recruitment through UPSC.

DEPUTY LEGAL ADVISOR
Group A
Sanctioned Strength: 20
Pay Scale: Rs. 12000-375-16500/-
The posts of Deputy Legal Advisor are filled up either by promotion from amongst Sr. Public Prosecutors of CBI with 5 years regular service in the grade
or
By deputation from amongst the officers of Central/State Governments holding analogous post.

Failing both of the above methods, DLA can also be appointed by direct recruitment through UPSC.

SENIOR PUBLIC PROSECUTORS
Group A
Sanctioned Strength: 67
Pay Scale: Rs. 10000-325-15200/-
Fifty percent posts of Sr. Public Prosecutors are filled up by promotion from amongst the Public Prosecutors of CBI with five years� regular service in the grade, failing which the posts are filled by deputation.

Twenty five percent posts are filled up by direct recruitment through UPSC.

Remaining twenty five percent posts by deputation or absorption from amongst the officers of Cenral/State Governments holding analogous post.

PUBLIC PROSECUTORS
Group A
Sanctioned Strength: 96
Pay Scale: Rs. 8000-275-13500/-
Fifty five percent posts of Public Prosecutors are filled up by direct recruitment through UPSC.

Twenty percent posts are filled up by promotion from amongst the Assistant Public Prosecutors of CBI with five years� regular service in the grade, failing which the posts are filled by deputation.

The remaining twenty five percent posts by deputation or absorption from amongst the officers of Central/State Governments holding analogous post.

ASSISTANT PUBLIC PROSECUTORS
Group B
Sanctioned Strength: 41
Pay Scale: Rs. 6500-200-10500/-
The post of Assistant Public Prosecutor is filled up by direct recruitment through UPSC.

Technical Staff
PRINCIPAL SYSTEM ANALYST
Group A (Gazetted)
Sanctioned Strength: 1
Pay Scale: Rs. 12000-375-16500/-
The post of Principal System Analyst is filled up either by promotion from amongst the Senior System Analysts of CBI with five years� regular service in the grade or by deputation from amongst the officers of Central/State Government or Universities or recognised Research Institutes of Public Sector Undertaking or Semi-Government, Statutory or Autonomous Organisations holding analogous posts on regular basis, failing which by direct recruitment through UPSC.

SENIOR SYSTEM ANALYST
Group A (Gazetted)
Sanctioned Strength: 3
Pay Scale: Rs.10650-325-15850/-
The post of Sr. System Analyst is filled up either by promotion from amongst the Programmers of CBI with five years� regular service in the grade or by deputation from amongst the officers of Central/State Government or Universities or recognised Research Institutes or Public Sector Undertakings or Semi-Government, Statutory or Autonomous Organisations holding analogous posts on regular basis, failing by promotion/deputation, the post is filled up directly through UPSC.

PROGRAMMERS
Group A (Gazetted)
Sanctioned Strength: 10
Pay Scale: Rs. 8000-275-13500/-
The post of Programmer is filled up either by promotion from amongst the Assistant Programmers of CBI with five years� regular service in the grade or by deputation from amongst the officers of Central/State Government or Universities or recognised Research Institutes or Public Sector Undertakings or Semi-Government, Statutory or Autonomous Organisations holding analogous posts on regular basis. Failing by promotion/deputation, the post is filled up directly through UPSC.

ASSISTANT PROGRAMMERS
Group B (Gazetted)
Sanctioned Strength: 40
Pay Scale: Rs. 6500-200-10500/-
The post of Assistant Programmer is filled up directly through UPSC.

LECTURER
Group A
Sanctioned Strength: 2
Pay Scale: Rs. 8000-275-13500/-
The post of Lecturer is filled up by deputation from the officers of the Central/State Government.

SENIOR LIBRARY & INFORMATION OFFICER
Group B
Sanctioned Strength: 1
Pay Scale: Rs. 6500-200-10500/-
The posts of Senior Library & Information Assistant are filled up either by promotion from departmental officers with three years� regular service or by deputation from amongst the officers of Central Government holding analogous post.

ASSISTANT LIBRARY & INFORMATION OFFICER
Group C
Sanctioned Strength: 1
Pay Scale: Rs. 5500-175-9000/-
The posts of Assistant Library & Information Officer are filled up either by promotion from departmental officers with three years� regular service or by deputation from amongst the officers of Central Government holding analogous post.

DEPUTY PRINCIPAL INFORMATION OFFICER
Group A
Sanctioned Strength: 1
Pay Scale: Rs.14300-400-18300/-
The post of Information Officer is filled up by deputation from amongst the officers of Central Government holding analogous post, failing which by direct recruitment through UPSC.

CARE TAKER
Group C
Sanctioned Strength: 1
Pay Scale: Rs. 5500-175-9000/-
The post of Care-Taker in CBI is filled up on deputation from Central Government Offices.

Ministerial Cadre
STENO GRADE A / SENIOR PRIVATE SECRETARY
Group B
Sanctioned Strength: 3
Pay Scale: Rs. 7500-250-12000/-
The posts of Sr. Private Secretary in CBI are filled up either by promotion from amongst the officers in the rank of Private Secretary of CBI with a total period of 2/7 years of service respectively in the organization on deputation of the officers holding analogous posts in Centre/State Police Organizations.

STENO GRADE B / PRIVATE SECRETARY
Group B
Sanctioned Strength: 16
Pay Scale: Rs. 6500-200-10500/-
The posts of Private Secretary in CBI are filled up either by promotion from amongst the officers in the rank of Personal Assistant of CBI with a total period of 2/7 years of service respectively in the organization on deputation of the officers holding analogous posts in Centre/State Police Organizations.

OFFICE SUPERINTENDENT
Group B
Sanctioned Strength: 35
Pay Scale: Rs. 6500-200-10500/-
The post of Office Superintendent in CBI is filled up either by promotion of the officers of CBI with a cumulative service of 8 years in the posts of Crime Assistant and Head Clerk-cum-Accountant in the organisation (of which at least 3 years of service should be in the post of Crime Assistant)
or
On deputation of the officers holding analogous posts in Centre/State Police Organisations.

STENO GRADE I / PERSONAL ASSISTANT
Group C
Sanctioned Strength: 64
Pay Scale: Rs. 5500-175-9000/-
The post of Personal Assistant in CBI is filled up either by promotion from amongst the officers in the rank of Sr. Clerk Steno of CBI with a total period of 3 years of service in the organization or on deputation of the officers holding analogous posts in Centre/State Police Organizations.

HEAD CLERK CUM ACCOUNTANT
Group C
Sanctioned Strength:
Pay Scale: Rs. 5000-150-8000/-
The posts of Crime Assistant in CBI are filled up by promotion of the officers in the rank of Head Clerk-cum-Accountants in the CBI who have put in 3 years regular service in the grade.

HEAD CLERK
Group C
Sanctioned Strength: 76
Pay Scale: Rs. 5000-150-8000/-
Sixty percent posts of Head Clerk in CBI are filled up by promotion through Limited Departmental Competitive Examination of the officials in the rank of UDCs in the CBI who have put in 3 years regular service in the grade.

Remaining forty percent posts are filled up by promotion on the basis of seniority-cum-fitness.

STENO GRADE D / SENIOR CLERK STENO
Group C
Sanctioned Strength: 371
Pay Scale: Rs. 4000-100-6000/-
Seventy five percent posts of Sr. Clerk Steno are filled up directly through Staff Selection Commission.

The remaining twenty five percent posts are filled up by deputation failing which by direct recruitment.

UPPER DIVISION CLERK
Group C
Sanctioned Strength: 188
Pay Scale: Rs. 4000-100-6000/-
Seventy five percent posts of UDC are filled up by promotion by seniority-cum-fitness, failing which by deputation.

The rest twenty five percent posts are filled up by promotion through Limited Departmental Competitive Examination from amongst the officials who have put in 5 years of regular service in the rank of LDC.

LOWER DIVISION CLERK
Group C
Sanctioned Strength: 469
Pay Scale: Rs. 3050-75-3950-80-4590/-
Ninety percent of the posts of LDC are filled up through by direct recruitment. Out of these, ten percent of the vacancies, are to be filled through Limited Departmental Competitive Examination of the matriculate Class-IV employees of CBI.

The remaining ten percent posts are filled by deputation, failing which by direct recruitment

Group 'D' Posts
SENIOR GESTETNER
Group C
Sanctioned Strength: 1
Pay Scale: Rs. 3050-75-4590/-
The post of Sr. Gestetner Operator in CBI is filled up by promotion from amongst Jr. Gestetner Operators with 3 years service in the grade and having proficiency in handling of Gestetner Machines.

DRESSER
Group D
Sanctioned Strength: 1
Pay Scale: Rs. 2750-70-3800-75-4400/-
The post of Dresser in CBI is filled up on deputation from Central Government Offices.

JUNIOR GESTETNER
Group D
Sanctioned Strength: 7
Pay Scale: Rs. 2610-60-2910-65-3300-70-4000/-
The post of Jr. Gestetner Operator is filled up by promotion from amongst Daftaries of CBI who have put in minimum 3 years service as Daftry and who possess proficiency in handling of Gestetner Machines.

DAFTRY
Group D
Sanctioned Strength: 48
Pay Scale: Rs. 2610-60-2910-65-3300-70-4000/-
The post of Daftry in CBI is filled up by promotion of the Peons with three years minimum service rendered on regular basis after their appointment or by deputation form persons holding analogous posts in Central Government Officers.

PEON
Group D
Sanctioned Strength: 28
Pay Scale: Rs. 2550-55-2660-60-3200/-
Seventy five percent posts of Peon are filled up directly and twenty five percent posts are filled up by deputation failing which by direct recruitment of other Group �D� employees who have put in 5 years regular service and posses at least elementary literacy.

SAFAIWALAS
Group D
Sanctioned Strength: 53
Pay Scale: Rs. 2550-55-2660-60-3200/-
The recruitment in the grade of Safaiwalas in the CBI is made by direct recruitment.


http://cbi.nic.in/recruitments/recruitmentrules.php

HI Dear




AFter complete your graduation degree then you are eligible for CBI test.
For this exam you clear the UPSC exam then you can join in CBI.

This examination form you can buy from Postal and then submit to fill the form appropriate then you send it through postal.






Good Luck............

you can see this like . I think, this link ishttp://entrance-exam.net/cbi-officer...a-cbi-officer/ enough for your question...

Friend..

Criminal Investigation Department (CID) or Central Bureau of Investigation (CBI) is investigation agency of India,

Recruitment of these post is done with written and Oral exams conducted by Staff Selection Commission and even UPSC too..

Candidate opting this field need to be very brave, hardworking, honest as well as tactful as he has to deal with so many high profile people..

This is a job of person with fire in him but that should be controlled by him and should be used as and when required during their raids and investigation judicially.

Eligibility criteria required to be CID/CBI :-
You should have a Bachelor degree of any stream.

Candidate must have attained the age of 20 years on 1st July of the year of examination and must not have attained 27 years of age on that date

Upper age limit relaxation of 3 years for OBC candidates and 5 years for SC/ST candidates

Physical Requirements

Height
For men -165cms.
For women -150cms
Height relax able for Hillsmen and Tribals: 5cms
Chest
76cms. with expansion
Eye-Sight (with or without glasses)
Distant Vision :6/6 in one and 6/9 in other eye.
NearVision:0.6 in one eye and 0.8 in other eye

Originally Posted by Unregistered

Hello sir,
good afternoon i am nitesh panchal from ujjain(M.P.). i am doinge b.e. in mechanical engg. in 3rd year. i want to go in the cbi and use my mind for my country please reply

HI!
After passing B.Tech if you want to join C.B.I then you have to qualify the entrance exam conducted by Staff Selection Commission.

If you want you can also join after passing civil services exam.

Age limit for Civil services exam is 21-30 year.
3 year relaxation for O.B.C and 5 year relaxation for ST/SC candidate.

For more detail log on to www.upsc.gov.in

GOOD LUCK!

dear friend,
You want to become a CBI officer after passing BE course in mechanical engineering...

Then you have to appear in SSC conducted combined graduate level exam..
Through the exam you will be able to join in CBI in sub-inspector post..

Eligibility for Combined graduate level exam:------------------------


1.The candidate must have complete the graduation in any trade from a recognized university.
2.Final year candidates are also eligible for the exam.
3.No such percentage of marks is required.
4.For sub-inspector :-- The candidates age should be in between 20-25 years.
5.The candidate needs to be physically fit.
6.The candidate should be a citizen of India.

These are the eligibility criteria you have to fulfill.
So, get prepare for the exam.
You can get the information about the exam from employment newspaper.

Best of luck..

hi dear,
to help your country that is to get yourself a career in CBI you need to fulfill some important criteria
they are
complete your graduation with a minimum passing percent of 60%.
you should not be less than 21 years old or more than 30 years old.
yes the rules for reservation for sc/st and obc candidates do apply

Also you have to appear for a written test then after your technical knowledge would be put on to test. then you will have to pass a medical fitness test following the personal interview.

All the best