Hey Neetu,

Yes you can apply for KVPY exam 2021 if you fulfill all the criteria of the examination.

That is;-

• Applicants must have completed their 12th grade or an equivalent examination.
• Candidates must have completed a 12th-grade science course (PCB / PCM).
• Candidates must have received a minimum of 60% in their 12th grade (50 percent for reserved category candidates).

For further information you can visit the official website, the link is provided below.

http://www.kvpy.iisc.ernet.in/main/eligibility.htm

Hope it helps.

Regards.