The first train from Gaya to Howrah is 12322 - KOLKATA MAIL departing at 02:15 AM from Gaya Junction(GAYA).Some popular weekly trains on Gaya to Howrah train route are 22308 - BKN HWH SF EXP, 12382 - POORVA EXPRESS, 12354 - LKU HWH SF EXP. Every Monday 22308 - BKN HWH SF EXP ...