Konda Bhaskir Arun Karthik is a right-hand batsman and leg-spin bowler. He made his List A debut for Sri Lankan side Badureliya Sports Club in November 2007, scoring 38. He was an ever-present in the Badureliya one-day team during the 2007-08 season and finished as their highest run-scorer. In November 2008, Karthik made his first-class debut for Tamil Nadu against Karnataka, opening the innings he scored 149, sharing in a 246-run stand with Vidyut Sivaramakrishnan.

Karthik was part of the Chennai Super Kings in IPL 3 but in 2011, the Royal Challengers Bangalore signed him.