Hello Manoj,

Since you are from Science background you have a lot of options for pursuing your undergraduation.

Since you have asked for MCA then you can take any undergraduate science stream after 12th. 

Few of the best colleges for MCA are,

• Christ University, Bangalore
• Madras Christian College, Chennai
• Presidency College, Bangalore
• Loyala College, Chennai
• DAV College, Chandigarh
• NIT Warangal
• NIT Karnataka
• JNU Delhi
• VIT Vellore