For NVS TGT posts you need a graduation degree in the concerned subject plus B.Ed, along with CTET qualification.
PGT posts require a master’s degree in the subject with B.Ed.
PRT posts need senior secondary with 50% marks plus D.El.Ed or B.El.Ed, and CTET.
Age limits differ by post and are counted on the cut-off date given in the official notification.
SC, ST, OBC and other categories get age relaxation as per central government rules.
Always confirm the exact subject-wise eligibility from the latest NVS recruitment notification before applying.