Income-tax department has assigned many Income-tax officers across the country to assess the various categories of taxpayers allotted to them.
Each category of taxpayers would fall under the Jurisdiction of the particular officer assigned for that area/category.
Steps to know your Income-tax ward/circle are as follows:
1. Click on “Know your Jurisdictional AO” on the homepage of directorate of Income-tax i.e. http://incometaxindiaefiling.gov.in/
2. After clicking on it, just enter Pan and you will see a screen like this, giving details of your Jurisdictional Assessing Officer (AO)
So, knowing your Income-tax ward is quite simple.