Answer : 2. "Krishna River"
Explanation :

Two 1,300-1,500-year-old Badami Chalukya temples and a 1,200-year-old label inscription were discovered in Mudimanikyam village in Telangana near the Krishna River. The Chalukyas ruled the Deccan from the 6th to the 12th century, consisting of the sister dynasties of the Badami Chalukyas and the Western and Eastern Chalukyas. Pulakeshi I founded the dynasty in 550 and made Badami the capital. Pulakeshi II expanded the empire by defeating Harsha and Vishnukundin, but Vatapi was later defeated by Pallava Narasimhavarman.