Hey,

Yes you can give your Physics exam from National Institute of Open Learning ( NIOS). The NIOS clearly states that the student can appear for a minimum of one subject and a maximum of of four subjects.

To be eligible for a NIOS admission you need to be

-15 years old

-Should have passed 10th  from a recognized school

A maximum of nine attempts are provided to clear the exam.

All the Very best.

Thank you.