Arthashastra
गोमयेन तिन्दुक अरिष्ट कल्केन वा मर्दित अङ्गस्य भल्लातक रस अनुलिप्तस्य मासिकः कुष्ठ योगः ॥
When any part of the body of a man is rubbed over with the pastry (kalka) prepared from tinduka (glutinosa) and arishta (soap-berry), together with the dung of a cow, the part of the body being also smeared over with the juice of bhallátaka (semecarpus anacardium), he will catch leprosy in the course of a month.
english translation
gomayena tinduka ariSTa kalkena vA mardita aGgasya bhallAtaka rasa anuliptasya mAsikaH kuSTha yogaH ॥
hk transliteration by Sanscript