2 ATM's are available at gaya jn.
1- SBI 2- PNB
Atm's at Mahabodhi temple , Bodhgaya
Canara bank atm, ICICI bank atm , Central bank atm , SBI atm are in 100 mtrs range
Also...
more... PNB atm , Axis atm , HDFC ATM and BOI atm are in 500 mts range of mahabodhi temple .