Thiruvananthapuram, the capital of Kerala, is a long journey from Dewas. You will need to board a train from Ujjain or Indore to Trivandrum Central. The journey takes you through the entire length of the southern peninsula.
Total Distance: 2000 km driving distance, 1650 km straight-line air distance.
Book in advance as this is a long-distance route.
October to March for pleasant weather.