Brihat Parashara Hora Shastra
राशेर्द्रेष्काणतोंऽशाच्च राशेरंशादथापि वा । यद्वा राशिदृकाणाभ्यां लग्नद्रष्टा तु योगदः ॥ २५॥
If Bhava, Hora and Ghatik Lagnas, their Dreshkanas and Navāńśas, or the said Lagnas and their Navāńśas, or the said Lagnas and their Dreshkanas receive a Drishti from a Grah, a Raj Yog is formed.
english translation
rAzerdreSkANatoM'zAcca rAzeraMzAdathApi vA । yadvA rAzidRkANAbhyAM lagnadraSTA tu yogadaH ॥ 25॥
hk transliteration by Sanscript