There are 5 altars (Madbahas) at Niranam church. The main madbaha, the central one, is in the name of St. Mary. This is used for regular services of the church.
There are 2 altars on the north and south of the main one. The altar on the northern side is consecrated to St. George and the altar on the southern side is consecrated in the name of St. Behanan.
There are two smaller altars, to the front of the main altar. The north among these is in the name of St. Thomas. It is also the shrine of Marthoma II.
The southern among the small altars is consecrated to St. Stephen. This is also the shrine of Marthoma V.
Both Marthoma II and Marthoma V died at Niranam Church and were buried here.