Narayan bali is done to get rid of ancestral curse (Pitru dosh /Pitru Shaap) while Nag bail is done to get rid of sin performed by killing snake, specially Cobra which is worshipped in India. It can be performed only at Trimbakeshwar.
Rahu and Ketu are imaginary planets and are cruel in nature. Rahu's birth is placed on 'Bharani Nakshatra' and Ketu's on 'Ashleshshya'. The 2 star Bharni and Ashleshya are mastered by God Kal and Sarpa. And hence, this condition is called "Kalsarpa yog".
Many people have an idea that Tripindi means pleasing 3 generation ancestors (Father-mother, Grandfather-Grandmother and Great Grandparents). But this does not relate with the 3 generations.
The patankar family from last 250 years in devotionally gaining and giving knowledge about the rituals followed in vedic hindu religion.
Nathushatri patankar a famed personality is titled by "Vyakaranacharya" by the people. A great scholar and learner of Sanskrit language 'Nathushastri' worked for the spread out of sanskrit language and delighted many young learners. He devoled his life for proving the importance of Sanskrit language and his great work was then awarded by the government by grantinghis name to the chowk near parshuram temple by the knowable hands of "Shankaracharya" .
