The Surya Siddhanta was produced by divine revelation and came from Surya the Sun God. The Siddhanta-siromani of Sri Bhaskara can be said to be an elaborate commentary on Surya-siddhanta...
Also contains Siddhanta-siromani
Translated and edited by Bimala Prasada Siddhanta Sarasvati from Sanskrit to Bengali.
Compiled and edited by Danavir Goswami