The journey from Anad to Guwahati is one of the longest in India. You must reach Thiruvananthapuram Central for train connectivity. Flights are available from Trivandrum International Airport to Lokpriya Gopinath Bordoloi International Airport.
Total Distance: 3200 km by road, 2600 km by air.
This is a very long journey; prepare accordingly.
October to April for pleasant weather.