In 1131 he was convinced by Angkor ruler Suryavarman II to attack Dai Viet, seizing three provinces in 1132.
Not so much information was known about his ruling years, but he left elaboration in Thap Mam style in Binh Dinh, building temples and endowments at My Son sanctuaries in Quang Nam in 1140, and made an eulogy for Lady Po Yang Ino Nagar at the Po Nagar temple in Nha Trang three years later.
In 1145, Suryavarman II led an invasion of Champa, which unlike his previous disastrous campaigns, that one was a success.
The Khmer army captured the Cham capital of Vijaya, ransacking it, and destroyed temples at My Son.
[2][3] Indravarman disappeared amidst the chaos of war, either killed or captured by the Khmer, as Maspero anticipates.