Hi Arijit, 

As you must be knowing IISER are in 6 places in India. And it is mainly for PHD and BS-MS dual degree course. Therefore, M Sc in Physics doesn't happen in all the six centres.

Only in Kolkata, there is M Sc in Space Physics. Eligibility- BE/BTech Graduates. Selection process- interview, academic background of candidates and other criterias determined by the selection committee of the college.

Where as in NISER too, there is integrated 5-year M Sc and Integrated M Sc and Ph D programs.

However there are a lot of other top colleges for M Sc in Physics like Presidency college Kolkata, Christ College Bangalore, St. Stephens College Delhi, St Xavier's College Mumbai, MCC Chennai with good job opportunities in  both, public and private sector like as a lab supervisor, Researcher, Technician, Scientist, Senior Physicist, Radiologist, Radiation Oncologist and many more in areas like Research Institutes, Education Institutes, Power generating companies, Demolition squads, Aviation industry.

Hi Arijit, 

Well I want to tell you that your query has already been addressed on the platform. 

Just check out this link:

https://www.google.com/amp/s/engineering.careers360.com/articles/iiser-admission/amp

If you have any residual doubts then feel free to ask. 

Hope this helps!