 It is known that the Ko Kizhan Atikal, mother of prince Rajaditya, was present at Rajadityapura (Tirunavalur/Tirumanallur) (in the 28th year of Parantaka, c. 935 AD) with her entire entourage for some time.Prince Rajaditya commanded a whole contingent of Kerala military personnel in Tirumunaippati Natu as early as the 930s.According to historians, the mid-10th century witnessed a large migration of Kerala people into the Chola country in search of "commercial profit and military adventure".