[1] It is written in the usual poetic form in the traditional Sanskrit Sloka format; the language and the method of expression used are both simple and unambiguous, and therefore, easy to understand.
Its author, Janardan Harji, about whom not much is known, was the son of Janardan, of Gurjar Mandala (present-day Indian state of Gujarat), who belonged to the Shandilya Gotra, who was also a learned and renowned astrologer of his time and place.
[2] This text, comprising five chapters, covers briefly the essential parts of Ganitha and Siddhanta,[3] but deals with the Phalita portion of Hindu astrology in far greater detail.
Along with the more renowned works of Parashara and Varahamihira, Mansagari has remained a standard reference book.
[4][5] The book, Three Hundred Important Combinations, was written by Bangalore Venkata Raman on the basis of Jataka Tantra, Parashara Hora Sastra and Mansagari.