Go through https://incometaxindiaefiling.gov.in/

    - Click on Know your jurisdictional A.O 

    - Enter your PAN Number

    - Enter Captcha code.

    - Jurisdiction Details will be show.

Whole details will be displayed on the screen.i.e Name, middile name, first name, Area code, AO Type, Range code, AO Number, Jurisdiction, and Building name of A.O.

but hemant ji

i want  A.O Details for TAN  not PAN

Download from following link:

https://www.tin-nsdl.com/download/tan/TANAOCode.xls