The journey from Divar to Dehradun is a long trip north across India. You can take a train from Madgaon, which takes about 40-45 hours. Flights are the most practical option, taking about 3.5 hours. Driving is not recommended due to the extreme distance.
Total Distance: 2100 km driving distance, 1800 km straight-line air distance.
The train journey is long but comfortable.
October to March for cool weather.