What documents will serve as proof of identity in case of individuals not being a citizen of India?
Copy of following will serve as proof of identity in case of individuals not being a citizen of India :

Copy of passport, or
Copy of Person of Indian Origin (PIO) card issued by Government of India, or
Copy of Overseas Citizen of India (OCI) card issued by Government of India, or
​Copy of other national or citizenship Identification Number or Taxpayer Identification Number duly attested by "Apostille" (in respect of countries which are signatories to the Hague Apostille Convention of 1961) or by the Indian Embassy or High Commission or Consulate in the country where the applicant is located or authorised officials of overseas branches of Scheduled Banks registered in India.