Alipurduar is reachable from Egra via Howrah. You can take a bus to Howrah and then board a train to Alipurduar. The total distance is approximately 680 km. Alipurduar is a beautiful town in West Bengal.
Total Distance: 680 km by road, 660 km air distance.
Check the train schedule from Howrah to Alipurduar.
October to March for pleasant weather.