When a prashna chart is cast based on a basic number up to 108 or time of query, lagna shows the querent and the 9th house shows the astrologer. 5th house shows last birth and 9th house shows good karmas of the last birth. In Nadi system we stick to the Karkatwa of a planet. This content is not yet available over encrypted connections. International Vastu Academy: Naadi Astrology- Sri.