Hello grace

I hope you are doing good. I would glad to inform you that their is 7.5 percent reservation criteria for STS .JNU has 31 total seats for masters of science in physcis which shows theirare almost 2 or3 in physics department for msc. Candidate should have atleast 55 percent in graudation to appear in JNUEE entrance exam . Moreover, you need to score very good to clear the cutt off as competiitionis very high due to highno. of applications

Hope you found this answer helpful. Good luck for your future