Career
He was a son of Vatasseri Paramesvara (1360–1425) who developed the drigganita system of astronomical computations. The family home of Paramesvara was Vatasseri (sometimes called Vatasreni) in the village of Alathiyur, Tirur in Kerala. As a teacher he initiated Nilakantha into the science of astronomy and taught him the basic principles in mathematical computations.
