Try taking photos and/or videos of the following trains (Up or Dn Directions) at or near Gaya Jn:-
.
Kolkata - Amritsar Durgiana Express
Kolkata - Jammu Express
Howrah - Dehradun Doon Express
Howrah...
more... - Jodhpur Express
Sealdah - Ajmer Express
Kolkata - Agra Cantt Expresses (Both trains via Rae Bareli and via Allahabad)
Howrah - Kalka Mail
Howrah - New Delhi Superfast Bi-Weekly Express
Tatanagar - Amritsar Jallianwalabagh Express
Tatanagar - Jammu Muri Express
Puri - New Delhi Purushottam Express
Howrah - Gaya Express via Bhagalpur
.
Thanks :-)