Planetary Aspects in Astrology – A Comprehensive Treatise on Practical Utility of Aspects under Modern Perspective by O P Verma
The first thing to bear in mind is that in the Vedic system only certain planets can cast a specific aspect. Not only that but in Vedic astrology the aspect has no orb – or rather, the orb is 30°, because the aspect is cast to the whole width of the house, and not just to any planet that resides in the house.
Text Book of Transit of Planets with Illustrations: Pin Point Events by Blending Classic and Modern Approach on Transit by O P Verma (2020 Edition)
Secrets of Vimshottari Dasa by O P Verma
Lal Kitab- Mool Siddhant Aur Totke लाल किताब-मूल सिद्धान्त और टोटके (Hindi) by O P Verma
Profession Through Astrology by O P Verma
A Glimpse of Kerala Astrology by Sage Shukracharya – O P Verma
Laghu Parashari – Jatak Chandrika (Classic) by O P Verma