You can appear for KVPY SB stream only if you are pursuing 1st year in Basic Science programme namely Physics/Chemistry/Mathematics & Biology during 2018–19 and have secured a minimum of 60% in Maths and Science subjects (Physics/Chemistry/Biology) in the XII Standard Board Examination. You can apply for KVPY by clicking here.
The students studying in class 11th are eligible to apply for KVPY SA stream. As per the eligibility at least 75% in Mathematics and science subjects together in class 10 are eligible. Candidates falling under SC/ST/PWD category need to obtain at least 65% in aggregate. You can check the further eligibility with the given below link.