If you plan on linking your Aadhaar to your bank account, you are unlikely to find any information on how to check the status of your request on the UIDAI website. You will have to speak with your bank to know if your account and Aadhaar have been linked.
Previously, however, you could check if your Aadhaar and your bank account were linked via the UIDAI website.
The steps that were followed in this process were :
If your bank offers Phonebanking, you may be able to link your Aadhaar with your bank through this mode. You will have to call the Phone banking number, listen to the prompts and select the option that allows you to do the bank account-Aadhaar linking. You will be asked to enter your Aadhaar number and confirm it by saying “Yes” or entering something (as prompted) on your phone to complete the process.