Kala Sarpa
Whether every graha in your chart falls between Rahu and Ketu, and how many fall outside — because one outside dissolves it. Free, and it says plainly that this combination appears in no classical text.
Whether every graha in your chart falls between Rahu and Ketu, and how many fall outside — because one outside dissolves it. Free, and it says plainly that this combination appears in no classical text.