[1] His elder brother was Ratna Manikya II who,[2] after having been previously overthrown by a cousin, was restored to the throne by the Mughals in 1695.
[4][note 1] In 1712, Ghanashyam launched a conspiracy against his brother, having gained the assistance of Murad Beg, an influential member of the royal court.
[7][8] Though little is known about his reign, with the Rajmala only describing him as being an "impious ruler", Mahendra appears to have enacted some reforms to the administration.
Assamese envoys, already present in Tripura at the time of his ascension,[8] were formerly received at court, with Mahendra sending his own representative, Aribhima Narayana, back with them to Rangpur.
Subsequently, a series of warm correspondence, embassies and gifts were dispatched between Mahendra and the Ahom king, Rudra Singha.