Pitru Dosh...3

The most famous book on Vedic Astrology,  Brihat Parasara Hora Shastra gives a list of combinations which indicates Pitru Dosh:

1. Sun is in Libra and in the Navamsa of Saturn (in Capricorn or in Aquarius in D9) is hemmed in between malefics in the 5th House.

2. Sun, as Lord of the 5th, posited in a Trikona(1,5,9) with a malefic, hemmed in between malefics and is also aspected by malefic.

3. Jupiter is in Leo sign, the Lord of the 5th is Sun and Lagna and the 5th are occupied by malefics.

4. Lord of Lagna, devoid of strength, is in the 5th and the Lord of the 5th is combust and Lagna and the 5th are occupied by malefics.

5. There is exchange of Houses between Lords of the 5th and the 10th and Lagna and the 5th are occupied by malefics.

6. Mars, as the Lord of the 10th, is associated with the Lord of the 5th and Lagna, the 5th and the 10th are occupied by malefics.

7. Lord of the 10th is in the 6th, 8th, or 12th, Jupiter is in a malefic Rashi and the Lord of Lagna and the 5th are associated with malefics.

8. Sun, Mars and Saturn are in Lagna and the 5th and Rahu and Jupiter are in the 8th and the 12th.

9. Sun is in the 8th, Saturn in the 5th, the Lord of the 5th is associated with Rahu and Lagna is occupied by a malefic.

10.Lord of 12th is in Lagna, Lord of 8th in 5th and Lord of 10th in 8th.

11.Lord of 6th is in 5th, Lord of 10th in 6th and Jupiter is associated with Rahu.