To know how many accounts are linked to your PAN number in India, you can follow these steps:

1. Visit the official portal of income tax e-filing.
2. Log in to your account using your user ID and password.
3. Once logged in, look for the option to verify your bank account details.
4. Click on the option to verify your bank account details.
5. You will be able to see the number of accounts linked to your PAN number.

Please note that this method requires you to have an account on the income tax e-filing portal. If you don't have an account, you will need to create one before you can check the number of accounts linked to your PAN number.

Learn more:

1. 5 Easy Steps to Link PAN Card with Bank Account (Online ...
2. PAN Card Link to Bank Account - Online and Offline
3. Search for Permanent Account Number online | National Government Services Portal