Niṣṭhā or Nishtha i.e. निष्ठा in Sanskrit Grammar is a kridanta word formed by adding a कृत् affix. These kr̥t affixes are क्त and क्तवतु (kta, ktavatu ). Sanskrit Literature, especially the Bhagavad Gita and the Upanishads have frequent use of निष्ठा words,...