Train
Coimbatore North (CBF)Siliguri Jn (SGUJ)
15905 Kanniyakumari–Dibrugarh Vivek Express · 3A · 2585 km
₹4,410–₹5,110
2d 2h
Shared jeep
Siliguri JnManebhanjan
Shared Sumo/Bolero · 105 km
Shared jeeps leave the stand between 05:00 and 07:00 and then stop for the day. Be early or lose a day.
₹290–₹470
4.6h
Total for 1 traveller: ₹4,750–₹5,690 one way
Does this look right?

