The journey from Dhemaji to Dehradun covers approximately 2000 km. The most practical way is to travel to Dibrugarh and take a flight, or take a long-distance train which takes about 38 to 42 hours. You will traverse the northern plains of India. Dehradun is the capital of Uttarakhand and a gateway to the Himalayas.
Total Distance: 2000 km by road, 1700 km straight-line.
Book your tickets well in advance for this long-distance route.
October to March for pleasant weather.