Brihat Parashara Hora Shastra
यातदण्डं तथा लग्नमेकीकृत्य सदा बुधः । रविभिस्तु हरेद् भागं शेषं कार्ये नियोजयेत् ॥ ३३॥
Add to this the number of the birth asterism (ruling star, the one, occupied by Candr), the number of Ghatis of birth and the number of Rāśis, Lagn gained from Mesh (Mesh 1, Vrishabh 2 and so forth).
english translation
yAtadaNDaM tathA lagnamekIkRtya sadA budhaH । ravibhistu hared bhAgaM zeSaM kArye niyojayet ॥ 33॥
hk transliteration by Sanscript