Hello.

Both of them have advantages and disadvantages but both of them are good and old colleges but Indira Gandhi medical College is established in 1967 and govt medical College is 1947 approx. Both of them are old and very good colleges. But the no.of seats in Gandhi are 150 and in government colleges are 200.

Here is the link of comparison between these two colleges 

https://www.careers360.com/compare-colleges?college=214884-46176-course=147818-53351-compareresult

Official websites are

https://www.iggmc.org/

http://gmcnagpur.org/

Hope this is helpful.

Good luck.