The king’s main achievement, the Indratatáka reservoir, played an important social and religious role. Today, the reservoir is dried up.
In 879, the king commissioned the construction of the 6-brick sanctuaries Preah Kö temple, dedicated to his parents, his maternal grandparents and to Jayavarman II and his wife, both deified in the likeness of Siva and his wife.
In 881, Indravarman commissioned the construction of the Bakong temple where he laid the Indresvara linga. The king also dedicated a sanctuary to Siva inside Phnom Bayang temple, in Takeo province.
He was named Preah Isvaraloka after his death.
