Hello Aryan, 

For getting complete knowledge about both of the colleges you must use the website of careers360 college comparison. The link is given below :

https://www.careers360.com/compare-colleges

JIIT is a private institute established in 2001 which offers undergraduate and post graduate courses such as B. Tech, M. Tech, MBA and Ph.D. 

MSIT is also a private institute in New Delhi. It was established in 1999. It offers 4 year B. Tech program at UG level. 

I hope it would help you. 

Goodluck!!!