You can visit your branch of the bank in which you have an account and ask the manager to link your Aadhar with your account. LOGIN Aadhaar Link Account LPG for Domestic Cooking is heavily subsidized.Complete the Aadhaar linking form with accurate information. You will need to provide the required details in the application form. The first step to linking your Aadhaar Card to your LPG gas connection is to ensure that it is first linked to your bank account. I submit my Aadhaar number and voluntarily give my consent to: o Use my Aadhaar Details to authenticate me from UIDAI. Step1: Go to the nearest Post Office. Step 1: Visit your LPG provider's web portal. Step 2: Download the application form to link Aadhaar to a gas connection and take a printout of the same.