Colleges in Midnapore

Guru Ramdas Khalsa Institute of Science and Technology (GRKIST) does not offer MCA, check the link below and go to post graduate courses section under Courses tab.
http://grkist.edu.in/

As IIT is a brand and as a part of SRM, I can say SRM has a very good placement in field of IT sector. The thing, is you have to develop your skills.

College change or university change after first year is completely dependent on college and university norms, some university allow it and some won't plus you need to have good scores in first year to apply for the same. For further details contact the college authorities.

Please refer to the link provided below for courses in Institute of Science and Technology, JNTU-Hyderabad. Please download their brochure which contains important details like eligibility criteria,admission process, last application dates, fee structures etc.
https://www.shiksha.com/college/institute-of-science-and-technology-jawaharlal-nehru-technological-university-hyderabad-kukatpally-51324