Story-Vrinda Turning into Tulasi

This is an amazing story of devotion and dedication. Vrinda , a great devotee of Maha Vishnu  married to Shiva's son Jalandhara -curses her god Vishnu to become the Saligrama, while the Vishnu blesses her to become the holiest plant Tulasi, that is mandatory to complete all his poojas and vratas.