AIN

For Update of Email ID and/ or request of AO Registration number/ User ID, send request letter to Protean. For format of request letter click here.

Request letter should be forwarded to Protean at the following address:
TIN Operations,
Protean e-Governance Infrastructure Limited
1st floor, Times Tower,
Kamala Mills Compound,
Senapati Bapat Marg,
Lower Parel (W),
Mumbai - 400013.

Super scribe the envelope of request for update of e-mail ID and/ or request of AO registration number/ User ID with "Request for Update of Email ID and/ or request of AO Registration number/ User ID"