प्रधान मुख्य आयकर आयुक्त /Principal Chief Commissioner Of Income Tax
पूर्वोत्तर क्षेत्र गुवाहाटी /North East Region Guwahati

Income Tax Return Forms

http://www.incometaxindia.gov.in/Pages/downloads/income-tax-return.aspx

Tax Payer Services

http://www.incometaxindia.gov.in/Pages/tax-services.aspx”