[1] He was the ruler until September 1749 when the king of Travancore Anizham Thirunal Marthanda Varma ousted him from Neerazi Palace at the Battle of Changanassery.

Goda Varman (crown prince of Thekkumkur) and Marthanda Varma of Travancore were classmates at Madurai when they were studying of Rajyadharma.

He sent a messenger to the younger king and told him the fake news, saying, "Departure to Kottayam immediately; the mother's health is bad".

[5] The crown prince Goda Varman decided to leave, boarded the boat and headed north; Marthanda Varma gave him some gifts for Thekkumkur king Aditya Varma Manikandan[6] On the way, he descended on Anchuthengu Fort and received eleven ritual fire by the British authorities.

Proceedings of 11 September 1749; On the 28th of the year Malayalam era 925 Chingam (11_September_1749 AD), the capital of the Thekkumkur conquered by Ramayyan Dalawa and merged to Travancore kingdom.