If you are interested in academics and want to pursue research after completing M.Sc, NIT Rourkela is the best option among these. The institute offers good resources and facilities to carry out research interests. You can explore and learn.
If you don’t want to do a PhD after completing M.Sc, choose one of the IITs. The IIT tag will help get good placement opportunities.
Well, I do not have much knowledge about the scope of MSc in Chemistry from IIT Hyderabad. But, between IIT Bhubaneswar and NIT Rourkela, I would suggest you choose NIT Rourkela over IIT Bhubaneswar. The reasons for this are as follows.
If you really like Chemistry and want to pursue a master’s degree in the subject, NIT Rourkela is definitely the right choice for you.