Talk to a RailFan - you will learn a LOT about Trains.

Following are the charges levied by different payment option apart from IRCTC charge:

Transaction Charges Details
Payment by Credit Cards
AXIS PG For all Master / Visa Credit Cards (Not International Credit Cards) /Debit...
more...

cards (If enabled by card Issuer). Transaction charges of 1.65%.
ICICI PG For all MASTER / VISA Credit Cards (Not International Credit Cards) / Debit cards (If enabled by card Issuer). Transaction Charge 1.8%
HDFC PG For all MASTER / VISA Credit Cards (Not International Credit Cards) / Debit cards (If enabled by card Issuer). Transaction Charge 1.8%
CITI PG For all MASTER / VISA / DINERS CLUB CREDIT CARDS / VISA Debit cards (If enabled by card Issuer).Transaction Charges 1.8%
American express For all credit cards issued by American Express. Transaction Charges 1.8%
Payment through Credit Cards EMI Option
ICICI BANK EMI Pay in 3 installments with your ICICI Bank Credit Cards. Transaction charges 3.95%.
CITI Bank EMI Pay in 3 installments with your Citibank/Diners Club Credit Cards. Transaction charges 2.8%.
Payment through ATM cum Debit Card
CITI Bank Transaction charges of Rs.10/- or 1.8% whichever is higher + applicable S.Tax
Punjab National Bank Transaction charges of Rs.10/- per transaction
Indian Bank Transaction Charges of Rs.10/- per transaction
SBI ATM-cum-Debit Card Transaction charges of Rs.10/- per transaction
Andhra Bank Transaction charges of Rs.10/- per transaction
Canara Bank Transaction Charges of Rs.10/- per transaction
Bank of India Transaction charges of Rs.10/- per transaction
Payment through Net Banking facility
HDFC Bank Transaction Charges of Rs.10/- + service tax and education cess as applicable
ICICI BANK Transaction Charges of Rs.10/-+Service Tax as applicable
AXIS Bank Transaction Charges of Rs.10/- + taxes per transaction
The Royal Bank of Scotland N.V. Transaction Charges of Rs.10/-+Service Tax as applicable
IDBI Bank Transaction charges of Rs.10/- per transaction
Indian Bank Transaction Charges of Rs.10/- per transaction
State Bank of India Transaction charges of Rs.10/- per transaction
PNB-Net Banking Transaction Charges NIL
Federal Bank Transaction Charges NIL
Syndicate Bank Transaction charges of Rs.10/- per transaction
Indusind Bank Transaction Charges NIL
Karnataka Bank Transaction charges of Rs.10/- per transaction
Corporation Bank Transaction charges of Rs.12/- per transaction
Bank of India Transaction charges of Rs.10/- per transaction
Rajasthan Bank Transaction Charges Rs.15/- per transaction
SBI Associates Transaction Charges Rs.10/- per Transaction
Oriental bank of commerce Transaction charges of Rs.10/- At selected branches of OBC
Union Bank Of India Transaction charges of Rs.10/- per transaction
Bank of Baroda Transaction Charge NIL
Payment through Cash Cards
ITZ Cash Card Transaction charges 1.5%
Done Cash Card Click Here for Transaction Charges
I Cash Card Transaction charges 1.8% or Rs.7.5/- which ever is lower
OxiCash Transaction charges 1.8%

Thank you, for noticing.
Your subthread 2233361-2 is now added to FAQ with same kewords "online ticket booking payment avenues source gatways valid banks credit debit cards"
I thought adding main entry will bring the search result for complete entry.
But...
more...

here it is not so.
this could be computer rule. I request moderator to give modification accordingly.