Rongara Siju is one of the 60 Legislative Assembly constituencies of Meghalaya state in India. The constituency was created after the passing of the Delimitation of Parliamentary and Assembly constituencies, 2008. It had its first election in 2013. It is part of South Garo Hills district and is reserved for candidates belonging to the Scheduled Tribes.
Cyrtodactylus karsticolus was discovered at the outskirts of the area, on National Highway 217.