What documents will serve as proof of address in case of individuals not being a citizen of India?
Copy of following will serve as proof of address 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 the 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, or
Copy of Bank account statement in the country of residence, or
Copy of Non-resident External (NRE) bank account statement in India, or
Copy of Certificate of Residence in India or Residential permit issued by the State Police Authorities, or
Copy of Registration certificate issued by the Foreigner's Registration Office showing Indian address, or
​Copy of Visa granted & Copy of appointment letter or contract from Indian Company & Certificate (in original) of Indian address issued by the employer.