Rajapura or Rajapuram was the capital of the ancient Kamboja Kingdom mentioned in the Mahabharata. Karna led a war expedition against the Kamboja and some other tribes of the Uttarapatha a little time before the Kurukshetra war i.e.
In the context of the ancient Kambojan Kingdom, Rajapura or Rajapuram was its capital, as described in the Mahabharata. Karna led a military expedition against the Kamboja and other tribes of Uttarapatha before engaging in the Kurukshetra war.