Kaal Sarp Puja Ujjain, are not evident when planet Saturn is in "Shash" Yog, which is when Shani is located in either quadrants in its exalted or his own sign without having the aspect or conjunction of any malefic planet or the lord of inauspicious house. It lessens the negative effects of Kaalsarp Yog.
All of the problems brought on by Kaalsarp Yog are resolved when the Moon-Mars conjunction occurs in quadrants in one of their exaltation signs or their own sign, and neither of these signs is aspected by or conjunct with any malefic planet.
This Kaal Sarp Puja Ujjain is considered prosperous when Rahu is positioned in non-visible houses, or the first through sixth houses, while other planets are in visible houses, or the remaining six houses.