Keraliyprshanratnam Book (केरलीयप्रश्नरत्नम्) is an important book of astrology, in which information about importance of jyotish. – by Abhay Katyayan.

Ratan Pariksha Book (रत्न परीक्षा) is an important book of jyotish shastra, in which information about astrology. – by Abhay Katyayn.

Publication Chaukhamba Prakashan
Author Abhay Katyayan

Samarsar Book (समरसार) is an important book of astrology, in which information about jyotish shastra. – by Abhay Katyayn.

Samudrikshastram Book (सामुद्रिकशास्त्रम्) is an important book, in which information about jyotish shastra. – by Abhay Katyayn.

Shivsvaroday Book (शिवस्वरोदय) is an important book of astrology, in which information about jyotish shastra. – by Pt. Abhay Katyayn.

Publication Chaukhamba Prakashan
Author Abhay Katyayan

Vishwa Ke Pramukh Kaldarshak Book (विश्व के प्रमुख कालदर्शक) is an important book, in which information about kaldarshak. – by Abhay Katyayan.