Look at the planet ruling your Ascendant. Where is it placed? If your Lagna Lord is in the 4th, 8th, or 12th house, BNN predicts a karmic life lesson.
It focuses on the relationship between planets in the 1st, 5th, and 9th houses (trines) and the impact of planets in the 2nd and 12th houses from a specific planet. Bhrigu Nandi Nadi Book In Hindi Pdf