Sri Nadadur Ammal

Sri Vaatsya Varadaguru, also known as Nadadur Ammal, is the grandson of Varadaguru, a nephew of Sri Ramanuja. He is the disciple of Sri Vishnucitta (or Engal Alvan). He lived between 1165 A.D. and 1275 A.D.

Sri Nadadur Ammal is the author of about 15 works

Tattvasaara
Prapannapaarijaata
Prameyamaala
Aahnikacuudaamanih
Aaraadhanakramah
Prameyasaarah
Mangalaas'aasanam
Jnaanasaara
Jyayantidarpanam
Hetiraajastavah
Rahasyasangrahah
Caturlakshanasangrahah
Paratattvanirnayah
Dramidopainishatsangrahah
Sribhaashyasangrahah