The journey from Ner Chowk to Thiruvananthapuram covers 3000 km. You must travel to Chandigarh and then take a train. Expect a travel time of 55 to 60 hours.
Total Distance: 3000 km driving distance, 2600 km straight-line air distance.
This is a very long journey; book 2AC for comfort.
October to March for pleasant weather.