Ind., XII,65), which takes back the genealogy up to King Bhagadatta, the famous adversary of the by a long list of ancestors.
However, when he had business with others than Indians, the same prince boasted of another origin altogether.
Sankara Varman has also written a detailed commentary on the book in Malayalam. This paper published in the Transactions of the Royal Asiatic Society of Great Britain and Ireland in 1834, was the first ever attempt to bring the accomplishments of Keralese mathematicians to the attention of Western mathematical scholarship.
Whish wrote in his paper thus: "The author of Sadratnamalah is SANCARA VARMA, the younger brother of the present Raja of Cadattanada near Tellicherry, a very intelligent man and acute mathematician.
Even though the book has been written at a time when western mathematics and astronomy had been introduced in India, it is composed purely in the traditional style followed by the mathematicians of the Kerala school. Whish's paper on the achievements of the Kerala school of mathematics.
This work, which is a complete system of Hindu astronomy, is comprehended in two hundred and eleven verses of different measures, and abounds with fluxional forms and series, to be found in no work of foreign or other Indian countries." The book contains 212 verses divided into six chapters, called prakarana-s.
Sankara Varman, author of Sadratnamala, was born as a younger prince in the principality of Katattanad in the North Malabar in Kerala.
To the local people he was known as Appu Thampuran.
The date of birth of Sankara Varman is still uncertain.