Advocate
Some of your Bank Employees unofficially collect amounts from the cumstomers

I being an advocate regularly doing legal documentation profession, my assistants regularly visit your branch to pay the challans towards Stamp duty and Registration fee, while collecting the challan amounts your bank employees/cashier demaning money as service charges from all the customers unofficially, and who did not have pan cards also have to pay unofficially to your employees, then ony they allow the challans.