Brief information about Siddhasāra Nighantu of Ravigupta.

Siddhasāra nighanti, is authored by 'Bauddhācārya Ravigupta'. On the basis of various evidences, its period is considered as 7th century A.D. Actually Ravigupta has written 'Siddhasāra Samhita', the last part of which is known as "Siddhasāra Nighantu'. The second chapter of Siddhasāra Samhita is 'Dravyasamgrahaniya', where 33 Ganas out of 37 Ganas of Suśruta Samhita of 'Dravyasamgrahaniya", chapter have been mentioned. The Dravyas have been described in Paryāya śaily and with 96 Slokas.