Towards the end of the reign of Rajadhiraja Chola, he sacked the Western Chalukyan capital Kalyanapuram and assumed the title Kalyanapuramgonda Chola and performed a Virabhisheka under the name Vijaya Rajendra Cholan.
The historian V. A. Smith has called Samudragupta the ‘Napoleon’ of India because of his policy of war and conquest. He started with the conquest of his immediate neighbours and then by campaigns to the east and the south.
Pandyas acknowledged the overlordship of the Cholas for about 30 years. Prantaka Viranayana was also defeated by Krishna III who was the Rashtrakuta King, in the battle of Takkolam in 949 A.D.