Hi Naresh,

It isn't compulsory for students and assistant professor in degree college in mumbai to have NSS experience. Or they will not get any responsibility utill they want or skills and qualification according to that. Professor sdo take positions of responsibility such as department head, coordinator for college societies, NSS, NCC, etc. But it all depends upon skills and interests.

Feel free to ask doubts in the Comment Section.

I hope this information helps you.

Good Luck!