Education and Career Forum

please give me detail information about DSP post and books to refer

Information of DSP(Deputy Superintendent of Police) post:-

1) DSP post is a police forces rank in India.

2) To become a DSP, you will have to qualify SPSE(State Police Service Exam).

3) Salary of a DSP is INR 15,600 to 39,100.

Eligibility criteria of DSP post:-

1) Academic qualification:- Contenders must have qualified their graduation degree in UGC approved college.

2) Age:- 21-37 years.

3) Contenders must be an Indian citizen.

4) Height of contenders is 167 cm.

Books for DSP post exam:-

1) Indian Economy.

2) Objective General English, R.S. Agarwal.

3) Pratiyogita Darban's Indian Economy.

4) Indian Polity, Lakshmi Kanth.

5) Indian Geography, Spectrum Publications.

6) Science & Technology, Spectrum Publications

What is THE CONCEPT OF Z transform?