Hi Debajyoti,

Students face this problem frequently between college. The college having better infrastructure and exposure should be preferred. This is a link for comparison of colleges, https://www.careers360.com/compare-colleges. Some of the overview I'll provide you, North Bengal Medical college has all the facilities you need from good faculties and environment to infrastructure. Also Kalyani medical College has all the required facilities with good facilities. This decision will definitely be tough for you to make. Both college have low fees and high cutoff. 

Hope this information helps you to get the college best for you, if any further queries you have, then do ask.