Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 10 · Yatra and Omens
यात्रा शकुनाश्च
रणे गतस्य भूपस्य जयलक्ष्मीः प्रमाणिका ।शुक्रार्कज्ञार्किभौमेषु लग्नाध्वस्तत्रिशत्रुषु ॥ ६५६ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 656.
Then for a king going to battle, the goddess of victory is sure. Next: Venus in the lagna (rising sign), the Sun in the road house, Mercury in the 7th. Saturn in the 3rd, Mars in the enemy house.
Simple meaning: With the Moon in the 10th, Saturn in the 6th and Sun in the 1st, a king going to war wins.
गतस्याग्रे वैरिचमूर्वह्नौ लाक्षेव लीयते ।
With the planets of the last verse so placed, the enemy army may melt away before the king.
गतस्य राज्ञोऽरिसेना नीयते यममंदिरम् ।
With Jupiter in the lagna and others in the 2nd and 11th, the king may defeat his enemies fully.
गतो नृपो रिपून्हंति केसरीवेभसंहतिम् ।
With Venus in the lagna, Sun in the 11th and Moon in the 4th, the king may beat his enemies.