I have made an affidavit using stamp paper of Delhi notarized by a no

An affidavit can be notarized in any state inside the territory of India.

The affidavit might be legitimate and desirable in any state in India.

However, care should be taken at some point of stamping the affidavit, as each nation has distinct stamp obligation, consequently care need to be taken to keep away from understamping of affidavit.