Charak Samhita
चतुर्भागावशेषेण पचेत्तेन घृताढकम्। स्वर्जिकायावशूकाख्यौ क्षारौ दत्त्वा च युक्तितः॥८४॥
After one fourth reductions add one adhaka (3.073 kg) of ghee and svarjikakshara and yavashukakshara as per yukti pramana i.e. either in small quantity or at the time of ghrita siddhi lakshana alongwith saindhava (rock salt),
english translation
caturbhAgAvazeSeNa pacettena ghRtADhakam। svarjikAyAvazUkAkhyau kSArau dattvA ca yuktitaH॥84॥
hk transliteration by Sanscript