NDA

Mam after he had finished BE WITH 80% or if he had scored 85% above in class 10 & 12 then he can opt for CDS. He will get a direct call from SSB (interview). And still if he want acquire a better post than CDS. Then he can go for UPSC CAPF ASSISTANT COMMANDAT or INDIAN DEFENCE ACCOUNTS SERVICE. Hope this helps you. There are also many ways like Inspector in CRPF by SSC CGL or through other state exams. Hope this helps you.

I hope that you wanted to say spectacles. Yes you can apply if you have eye power in the range given in the medical standard notice.