कालसिद्धान्तदर्शिनी - Kala Siddhanta Darsini of M. M. Harangandra Bhattacarya (An Old and Rare Book)
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कालसिद्धान्तदर्शिनी - Kala Siddhanta Darsini of M. M. Harangandra Bhattacarya (An Old and Rare Book) - T. S. Sridhar - A treatise on Indian astronomical and mathematical principles.