Hayanaratna · by Balabhadra
Chapter 3 · The Sixteen Yogas
षोडशयोगाध्यायः
इति खल्लासरः ॥ अथ रद्दयोगः ॥ तत्र रद्दयोगलक्षणमुक्तं योगसुधानिधौ ॥वक्रेण द्युमणिकराभिगामिनास्तं प्राप्तं न व्यय १२ रिपु ६ नाश ८ गामिना च ॥क्रूरेण क्रमिततमस्सदेत्थशालं तद्रद्दं हरति फलं प्रहर्षणीयम् ॥
This ends khallasara (the Moon with no link). Next, the radda (a weak planet undoing the result) yoga (planet combination). The Yogasudhanidhi states the definition of the radda yoga. A planet makes an ithasala (planets moving toward an exact aspect) with one that is retrograde, or going toward the Sun's rays, or set. Or the other is going to the 12th, 6th or 8th house, or is a cruel planet 'kramitatamah'. That is radda. It takes away a result that would bring joy. (Our text is unclear here: the word 'na' after 'set' and the word 'kramitatamah' do not settle.)
Simple meaning: Radda: the link is made with a planet that is backward-moving, near the Sun, set, in the 12th, 6th or 8th house, or cruel. It takes away a happy result.
अत्र विशेष उक्तस्ताजिकभूषणे ॥
Radda, a special case: a fast planet in a falling house links with a slow planet in a corner house. The work is delayed first, then it fully succeeds.
खल्लासरः
Khallasara chart: the Moon in Virgo at 29, Jupiter in Aquarius at 5, the Sun in Aries at 4.
रद्दयोगः
Radda chart: Saturn is in Virgo at 10, and Mars is in Virgo too.