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

Additional charge in the cadre of Jt CIT(ITAT)(DR-1)

Additional charge in the cadre of Addl.-Jt CIT

Revision of Rates

Promotion order as Notice Server

ITR-V Receipt Status

https://www.incometax.gov.in/iec/foportal

Tax Calculator

https://www.incometaxindia.gov.in/Pages/tools/tax-calculator.aspx

Status of Tax Refund

https://tin.tin.nsdl.com/oltas/refundstatuslogin.html

View Your Tax Credit

https://contents.tdscpc.gov.in/en/form26AS-introduction.html

Know your PAN

https://eportal.incometax.gov.in/iec/foservices/#/login

Apply for PAN

https://www.incometaxindia.gov.in/Pages/tax-services/apply-for-pan.aspx