The journey from Nazira to Dehradun covers approximately 1900 km. You can take a train from Simaluguri to Dehradun, which is a long journey. Alternatively, you can fly from Dibrugarh to Dehradun. The train journey takes you through the heart of India. Expect a travel time of 40 to 50 hours by train.
Total Distance: 1900 km by road, 1600 km air distance.
Book your tickets well in advance as this is a very popular route.
October to March for pleasant weather.