Below is the usual process followed for name change in Kolkata and other areas of West Bengal: Step 1: Prepare Name Change Affidavit First step is preparing a name change affidavit on stamp paper. This affidavit mention your old name, new name, address and reason for change. It should be notarized properly or else it not valid. Step 2: Publish Name Change in Newspaper After affidavit, a name change advertisement is published in local newspaper. One Bengali or English newspaper generally required. This step make your name change public notice. Step 3: Gazette Notification Next step is applying for name change gazette in West Bengal. When your new name get published in State Gazette, it become official proof for all future use. Step 4: Update All Records Once gazette published, you can update your name in Aadhaar card, PAN card, passport, voter ID, bank account and education documents.