[4] The late Dr. Hiralal Jain places the completion of this treatise in 816 AD.

He gave the derivation of the volume of a frustum by a sort of infinite procedure.

[8] Virasena was proficient in astrology, grammar, logic, mathematics and prosody.

[10] Virasena initiated six disciples who were Dasharayguru, Jinasena, Vinayasena, Shripal, Padmasena and Devasena.

[10] Vinayasena initiated Kumarasena who started the Kashtha Sangha.