Itanagar, the capital of Arunachal Pradesh, is a long journey from Dewas. You will need to board a train from Ujjain or Indore to Guwahati and then take a bus or taxi to Itanagar.
Total Distance: 2400 km driving distance, 1900 km straight-line air distance.
Book in advance as this is a long-distance route.
October to March for pleasant weather.