Kautilya's Arthashastra 14.2.38

14.2.38

śastrahatasya śūlaprotasya vā puruṣasya vāmapārśvaparśukāsthiṣu kalmāṣaveṇunā nirmathito 'gniḥ striyāḥ puruṣasya vāsthiṣu manuṣyaparśukayā nirmathito 'gnir yatra trir apasavyaṃ gacchati na cātrānyo 'gnir jvalati //

There will burn no other fire where the fire generated by churning, by means of a bamboo stick of white and black colour, the left side rib-bone of a man killed by a weapon or put to the gallows; or the fire generated by churning the bone of a man or woman by means of the bone of another man is circumambulated thrice from right to left.