The Play of Planets, Bhava’s and aspects in Vedic Astrology. This book is an extract from two classics Jataka saradeep by Nar Singh Daivagya and Hora Ratnam by Balbhadra. The Jataka Saradeep –Here the original author has quoted various authentic sources like Sarvali, Brihat jataka, Janam pradip, Hora pradip and about 35 sources in total. Other than that he has named the authors like Hillaj, Prashar, Romank, Yavan, varahmir, Satya Acharya, Kalyan vema etc. Hora Ratnam – By Balbhadra again quotes the various sources these two books are similar in genre and approach.