The journey from Abhayapuri to Coimbatore is a massive cross-country trip covering over 3000 km. You will need to travel to Guwahati and then take a train or flight to South India. Coimbatore is a major industrial hub and is well-connected by rail. Expect a journey of over 60 hours by train. The route takes you across the entire length of India.
Total Distance: 3000 km by road, 2600 km straight-line.
Consider flying to Chennai and taking a train to Coimbatore.
October to March for pleasant weather.