Alternatively, you can always take a direct flight from Kolkata or Guwahati. Prices can be as low as 3500 rupees for a return ticket from Kolkata. Connecting flights from Delhi costs around 7000-9000 rupees.
3. History: Tripura has rich independent history and for the most part independent from mainland India as during the British time Tripura was still an independent princely state. It only joinned India on 1949.
According to Rajmala, the chronicle of Tripuri kings, Tripura had in total of 179 kings. Check you the history of this ancient state at Tripura Government Museum located inside Ujjayanta Palace.