The journey from Reshi to Kochi is a massive cross-country trip. You must first travel by road from Reshi to New Jalpaiguri (NJP) station. From NJP, you will need to board a train to Ernakulam Junction (ERS) or Kochi, which will likely involve a change of trains in a major hub like Chennai. This journey takes you from the Himalayan foothills to the coastal beauty of Kerala. Expect a total travel time of 55 to 60 hours.
Total Distance: Driving distance 2600 km, straight-line air distance 2100 km.
This is a very long journey; consider flying for part of the trip.
October to March for pleasant weather.