Exchange, Parivartana Yoga in Vedic Astrology
Exchange (Parivartana) Yoga happens when two lords of different houses mutually interchange places, that is, they occupy the house of each other. The interchanges of the pairs of the House (bhava) lords will number 66 beginning from the Lagna and ending with the 12th. Out of these 66 parivartana Yogas, 30 are caused by the lords of the 6th, 8th and 12th and are called Dainya (misery) yogas. 8 such Parivartana Yogas are caused by the lord of the 3rd and are termed as Kahala yogas. The remaining 28 are known as Maha Yogas.
Maha Yogas:
(1) The lord of the Lagna in the 2nd and the lord of the 2nd in Lagna, (2) the lord of the Lagna in the 4th and the lord of the 4th in Lagna, (3) the Lord of the Lagna in the 5th and the lord of the 5th in Lagna, (4) the lord of the Lagna in the 7th and the Lord of the 7th in Lagna, (5) the Lord of the Lagna in the 10th. and the Lord of the 10th in the Lagna, (7) the lord of the Lagna in the 11th and the lord of the 11th in the Lagna, (8) the lord of the 2nd in the 4th and the lord of the 4th in the 2nd, (9) the lord of the 2nd in the 5th and the lord of the 5th in the 2nd, (10) the lord of the 2nd in the 7th and the lord of the 7th in the 2nd, (11) the lord of the 2nd in the 9th and the lord of the 9th in the 2nd. (12) the lord of the 2nd in the 10th and the lord of the 10th in the 2nd, (13) the lord of the 2nd in the 11th and the lord of the 11th the 2nd, (14) the lord of the 4th in the 5th and the lord of the 5th in the 4th (15) the lord of 4th in the 7th and the lord of the 7th in the 4th. (16) the lord of the 4th in the 9th and the lord of the 10th in the 4th, (17) the lord of 4th in the 11th and the lord of 11th in the 4th, (19) the lord of the 5th in the 7th and the lord of the 7th in the 5th, (20) the lord of the 5th in the 9th and the lord of the the 9th in the 4th, (17) the Lord of the 4th in the 10th and the lord of 9th in the 5th, (21) the lord of the 5th in the 10th and the lord of the 10th in the 5th. (22) the lord of the 5th in the 11th and the lord of the 11th in the 5th. (23) the lord of the 7th in the 9th and the lord of 9th in the 7th. (24) the lord of the 7th in the 10th and the lord of 10th in the 7th. (25) the lord of 7th in the 11th and the lord of the 11th in the 7th, (20) the lord of the 9th in the 10th and the lord of the 10th in the 9th, (27) the lord of the 9th in the 11th and the lord of the 11th in the 9th (28) the lord of the 10th in the 11th and the lord of the 11th in the 10th.
Dainya Yogas:
(1) The lord of the 6th in the Lagna and the lord of Lagna in the 6th, (2) the lord of the 6th in the 2nd and the lord of the 2nd in the 6th, (3) the lord of the 6th in the 3rd and lord of the 3rd in the 6th, (4) the lord of the 6th in the 4th and the lord of the 4th in the 6th, (5) the lord of the 6th in the 5th and the lord of the 5th in the 6th, (6) the lord of the 6th in the 7th and the lord of the 7th in the 6th, (7) the lord of the 6th in the 8th and the lord of the 8th in the 6th, (8) the lord of the 6th in the 9th and the lord of the 9th in the 6th, (9) the lord of the 6th in the 10th and the lord of 10th in the 6th, (10) the lord of 6th in the 11th and the lord of the 11th in the 6th, (11) the lord of the 6th in the 12th and the lord of the 12th in the 6th. (12) The lord of the 8th in Lagna and the lord of Lagna in the 8th. (13) the lord of the 8th (14) the lord of the 8th in 3rd and the lord of the 3rd in the 8th, (15) the lord of the 8th in the 4th and the lord of the 4th In the 8th, (16) the lord of the 8th in the 5th and the lord of the 5th In the 8th. (17) the lord of 8th In the 7th and the lord of 7th in the 8th, (18) the lord of the 8the In the 9th and the lord of the 9th in the 8th, (19) the lord of the 8th in the 10th and the lord of the 10th in the 8th, (20) the lord of the 8th in 11th and the lord of the 11th in the 8th, (21) the lord of the 8th in the 12th and the lord of 12th in the 8th, (22) the lord of the 12th in the Lagna and the lord of the Lagna in the 12th, (23) the lord of the 12th in the 2nd and the lord of the 2nd in the 12th, (24) the lord of the 12th in the 3rd and the lord of the 3rd in the 12th. (25) the lord of the 12th in the 4th and the lord of the 4th in the 12th, (26) the lord of the 12th in the 5th and the lord of the 5th in the 12th (27) the lord of the 12th in the 7th and the lord of the 7th in the 12th, (28) the lord of 12th, (29) the lord of 12th in the 10th.and lord of the 10th in the 12th, (30) the lord of the 12th in the 11th and the lord of the 11th in the 12th.
Kahala Yogas:
(1) The Lord of the Lagna in the 3rd and the lord of the 3rd in the Lagna, (2) the lord of the 2nd in the 3rd and the lord of the 3rd in the 2nd. (3) the lord of the 4th in the 3rd and the lord of the 3rd in the 4th (4) the lord of the 5th in the 3rd and the lord of the 3rd in the 5th, (5) the lord of the 7th in the 3rd and the lord of the 3rd in the 7th. (6) the lord of the 9th in the 3rd and the lord of the 3rd in the 9th, (7) the lord of the 10th in the 3rd and the lord of the 3rd in the 10th. and (8) the lord of the 11th in the 3rd and the lord of the 3rd in the 11th.
Accoeding to PhalaDeepika, a Vedic asrtology text, the person with Dainya Yoga at birth will be a fool, will revile others and indulge in sinful deeds. He is always in trouble from his enemies. He will speak harshly and will not have a stable mind. He will encounter obstacles in all his ventures.
The native with Kahala Yoga will occasionally be haughtly and sometimes sweet in his speech. There will be occasions when he will be very prosperous and then will be driven to poverty, unhappiness and misery.
Person born with Mahayoga will be lucky and will be adorned with expensive and beautiful clothes and ornaments. He is revered and honored by the king. He will hold a high position and will be rewarded of authority by the king, He will be blessed with sons and fully enjoy wealth and conveyances.