Indian Railways — Taken extra money to book ticket

Address:

Dr Debashis Mukherjee.Bhatenda(west),PS & PO-Rajarhat, Kolkata 700135.Mobile no.9123651892

I have purchased a ticket from Kolkata station counter to travel in theTrain Hate Bazare express, train no.03163 from Sealdah to Samsi on the date 10/10/2021 and the PNR number is[protected].The fare taken from me is Rs 4320 for 3 passengers in 2A coach.
But the exact fare seen in IRCTC website is Rs 2655 for 3 passengers.Why the extra money is taken from me?I want to know the cause.