Deva Keralam (Selections) · by Venkatesa and Achyuta
Chapter 2 · Yogas
योगाः
त्रिचतुःपञ्चराशिस्थे शुभखेचरसंयुते ।बुद्धिस्थानगते पापे योगः शङ्ख इतीरितिः ॥ ५४०१ ॥
In the full Deva Keralam this is Venkatesa 5401.
Say the lagna (rising sign) lord is in the 3rd, 4th or 5th sign, joined by a good planet. Say a bad planet is in the 5th house, the house of the mind. This too is called Shankha yoga (planet combination).
Simple meaning: The lagna lord in the 3rd, 4th or 5th with a good planet, and a bad planet in the 5th: Shankha yoga.
श्रीमान् शङ्खभवो विचक्षणमतिर्वेदान्तविद्धार्मिको लोके स्याद् बहुनायकः क्षितिपतिर्मार्ताण्डतेजद्युतिः ।
Shankha yoga makes a person wise, rich, famous and a leader.
पुण्यकृत् कृशदेही च चार्वङ्गः प्रियवाग्भवेत् ।
Shankha yoga gives a lean, handsome, sweet-spoken, quick and brave person.
मन्दात् षष्ठाष्टमे भौमे भौमात् षष्ठाष्टमे शनौ ।
Mars and Saturn sixth or eighth from each other, with the Sun so from Jupiter, gives Bheri yoga.