Krishna takes Kalyavan to a remote place. Here, Kalyavan thinks that Krishna is running away from the battle; hence, names RANCHOD. Ran means battle and chod means to run away.
In the end, he reaches to a point where there is a cave where Mudukund is relaxing.
Krishna knows the boon given by Indra to Mudukund. He just covers his clothing over the sleeping Mudukund and waits for Kalyavan to come.
Ramanand Sagar nicely presents in his serial Krishna.
Channel Saurabh Parikh