Hello!!

You can apply for the stream SX exam and to be eligible,you must score a minimum of 60% (50% for SC/ST/PWD) in Mathematics and Science subjects (PCB) in Class 12th. You should have also obtained at least 75% (65% in case of SC/ST/PWD) in class 10th.

If you have enrolled yourselves in the first year of an undergraduate program in basic Sciences,then you will be eligible for SB stream exam and you will be eligible if you have a aggregate of  60% (50% for SC/ST/PWD) in Maths and science subjects in class 12th exams.