Three Hundred Important Combinations is intended to provide knowledge of the Yogas which indicate specific horoscopic trends. All planetary combinations are divided into two groups viz., Yogas and Aristhas or fortunes and misfortunes. It deals with various standing combinations of yogas. The systematised account of all the important yogas is brought out so that it may illustrate practical horoscopes. The book certainly claims credit for being the first to bring together all scattered information and present it systematically.