Punjab National Bank [PNB] — Extra charge for Railway ticket during ATM cashless process

Address:

362015

Dear Sir,

I have booked few tickets at Rly counter through ATM payment but the tickets booked on 4th March 2017 have taken same charge as printed on the tickets.

But ticket taken on 8th April 2017, the charges printed on ticket and money deducted from account is different.
(1) 08/4/2017, POS[protected] WR Junagadh, ticket charges Rs 440 only but deduction made Rs 452, 67
(Train 11087 dated 15/4/17 PNR[protected]

(2) POS[protected] WR Junagadh the charges of ticket for what as it is payment through card only. Kindly let me know as Govt is pressing everyone for caseless payment?
Rs 4340 but deduction made Rs 4340/
(Train 12957dated 15/4/17 PNR[protected]

In these any extra charges taken by bank
regards