Both M.B.A. and M.C.A are best courses to do after graduation but if you have done BCA then MCA is best for you because it is related to your gradation course. If you have interest in Management then go for MBA, it is also demanding course nowadays.

MBA (Master of Business Administration):

M.B.A is a Postgraduate Degree Course whose area of expertise is studying the various aspects of a Business Set-Up.

MBA Specializations:
Accounting
Quantitative Analysis
Economics
Marketing
Organizational Behavior

List of Top MBA Colleges in India is following:
Indian Institute of Management (IIM) Ahmedabad
Indian Institute of Management (IIM) Calcutta
Indian Institute of Management (IIM), Bangalore
Indian Institute of Management (IIM), Lucknow
Xavier Labour Relations Institute (XLRI), Jamshedpur
Faculty of Management Studies (FMS), Delhi/NCR
Indian Institute of Management (IIM), Kozhikode
Indian Institute of Management (IIM), Indore
S. P. Jain Institute of Management and Research, Mumbai
Indian Institute of Foreign Trade (IIFT), Delhi/NCR


M.C.A (Master of Computer Applications):

M.C.A. is a postgraduate Information Technology course. Course contents include use of computer to solve a specific problem or to accomplish a particular job for an end user.

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


List of top MCA Colleges in India is following:

University of Pune
Ganeshkhind, Pune, Maharashtra 411007
020 2560 1099

Jawaharlal Nehru University
New Mehrauli Road, New Delhi, 110067
011 2670 4090

University of Hyderabad
Gachibowli, Hyderabad, Telangana 500 046
040 2313 2102

NIT
Tanjore Main Road, National Highway 67
Tiruchirappalli, Tamil Nadu 620015
0431 250 0370

Birla Institute of Technology
27, malviya industrial area, Malviya Nagar Industrial Area
Malviya Nagar, Jaipur, Rajasthan 302017
0141 - 4019798

NIT
NH 66, Srinivas Nagar, Surathkal, Srinivasnagar
Surathkal, Mangalore, Karnataka 575025
0824 247 4000

Motilal Nehru National institute of Technology
Teliarganj, Allahabad, Uttar Pradesh 211004
91-0532-2545404

PSG College of Technology
Avinashi Road, Peelamedu, Coimbatore
Tamil Nadu 641004
0422 257 2177

NIT
Rourkela, Orissa, India - 769 008
0661-2462020

Jamia Millia Islamia
Jamia Nagar, New Delhi, Delhi 110025
011 2698 1717