Narayana Bali is all about Atripthi Aatma Shanti (This is a customary ritual in the Sahyadri region Canara & Malabar areas, Bali means sacrificial offering for god. White Pumpkin, Lemon, Banana Tree are considered as sacrifices in the ritual
Narayana bali pooja consists of two different rituals. Narayana bali is done to get rid of ancestral curse (Pitru dosh /Pitru Shaap. Narayana bali consists of the same ritual as Hindu funeral. An artificial body mostly made of wheat flour is used.
As you can see Rahu, Chandra, Saturn on Lagna will cause extremely high mental pressure and may lead to hallucinations and phobias. Traditionally it is dealt with appropriately pacifying deities in a combination like Rahu-Chandra which we call it as Goddess Choudeshwari in this region and in north India it is called as goddess Maya or Mahamaaya. Rahu-Saturn combination is pacified by propitiating lord Ayyappa, goddess Bhadrakali and in North India the equivalent can be Lord Batukbhairav. Normally the native will realize the struggles in his/her life and seek for remedy after it reaches unbearable stage, during that time the astrologer has to check for any abhichaara prayoga and will advice to conduct Abhichaara Shanti along with Narayana Bali. These are highly ritualistic poojas, care should be taken in maintaining sanctity of the rules and respecting the beliefs.