Education and Career Forum

I have just passed MCA and wanted to go ahead for PhD but confused to choose topics. Please suggest me some topics to do PhD? Entrance exams and universities for it?

Below I have listed topics of PhD in MCA:
>Networking
>Image Processing
>Algorithm
>Cryptography
>Soft Computing
>Data Base Management System
>E-Learning System
>AI
Candidates, who have completed masters's degree in Computer Application with a minimum of 55% marks from a recognized university, are eligible for PhD in respective field.
In order to get admission into various PhD courses, candidates should have to appear and qualify in GATE/UGC-NET/CSIR-NET/etc.
Below I have listed some name of colleges/universities which offers PhD in MCA:
>Osmania University
Address: Osmania University Main Rd, Amberpet, Hyderabad, Telangana 500007
Phone: 040 2768 2444
>National Institute of Technology, Warangal
Address: National Institute of Technology Campus, Warangal, Telangana 506004
Phone: 0870 245 9191
>Indian Institute of Technology Hyderabad
Address: IITH Main Road, Near NH-65, Sangareddy, Khandi, Telangana 502285
Phone: 040 2301 6033
>Andhra University
Address: Waltair Junction, Visakhapatnam, Andhra Pradesh 530003
Phone: 089128 44000
>Indian Institute of Technology Delhi
Address: Hauz Khas, New Delhi, Delhi 110016
Phone: 011 2659 7135
>University of Kerala
Address: Senate House Campus, Palayam, Thiruvananthapuram, Kerala 695034
Phone: 0471 230 5994