I find you should go for M.C.A. or Master of Computer Applications after completing B Sc IT (Information Technology). The details of the course are as follows:

M.C.A. Eligibility
Any graduate who has passed or appearing for the final year degree examination in any discipline (Science, Commerce, Arts, Engineering or any approved University) is eligible to apply.

Candidates must have mathematics as a subject in their 10+2 course or any one year of graduation. B.C.A. qualified candidates can also pursue M.C.A.

Some of M.C.A. Specializations
Application Software
Hardware Technology
Management Information Systems
Internet
Software Development
Systems Management
Systems Development
Systems Engineering
Troubleshooting

M.C.A. Employment Areas
Banking
Consultancies
Database Management
Desktop Publishing
Design Support and Data Communications
E-Commerce
Embedded Technologies
Government Agencies
Networking
Schools and Colleges
Simulation
Software Development Companies
Security and Surveillance Companies
Stock Exchange
System Maintenance
Technical Support
Traffic Light Management

M.C.A. Job Types
Chief Information Officer
Computer Systems Analyst
Software Engineer or Programmer
Computer Support Service Specialist
Software Developer
Computer Presentation Specialist
Software Publisher
Commercial and Industrial Designer
Consultant
Database Administrator
Computer Scientist
Junior Programmer
Information Systems Manager
Project Leader
Systems Administrator

Good MCA Colleges in India

University of Pune Ganeshkhind, Pune, Maharashtra 411007
Jawaharlal Nehru University New Mehrauli Road, New Delhi, 110067
University of Hyderabad Gachibowli, Hyderabad, Telangana 500 046
NIT Tanjore Main Road, National Highway 67, Tiruchirappalli, Tamil Nadu 620015
Birla Institute of Technology 27, malviya industrial area, Malviya Nagar Industrial Area, Malviya Nagar, Jaipur, Rajasthan 302017
NIT NH 66, Srinivas Nagar, Surathkal, Srinivasnagar, Surathkal, Mangalore, Karnataka 575025
Motilal Nehru National institute of Technology Teliarganj, Allahabad, Uttar Pradesh 211004
PSG College of Technology Avinashi Road, Peelamedu, Coimbatore, Tamil Nadu 641004
NIT Rourkela, Orissa, India - 769 008
ITM University NH 75, Madhya Pradesh
VIT University Katpadi, Vellore, Tamil Nadu 632014
BIT Birla Institute of Technology, Mesra Ranchi, Jharkhand 835215, Mesra, Ranchi, Jharkhand 835215
NIT Kettangal Koduvally Rd, Kerala 673601
Jamia Millia Islamia Jamia Nagar, New Delhi, Delhi 110025
Lovely Professional University Jalandhar-Delhi G.T. Road, National Highway 1, Phagwara, Punjab 144411
NMIMS University V.L.Mehta Road, Vile Parle (W), , Indira Nagar, Mumbai, Maharashtra 400056