The man named Nanua was arrested yesterday from Kingsway Camp near Delhi University and is said to be a member of a banned outfit.
He was produced today before the court of Additional Chief Metropolitan Magistrate Smita Garg.
The court granted police his transit remand for five days and he will now be handed over to the Manipur police.
Sources said Nanua was staying at Kingsway camp for the last one year.
They said he used to make extortion calls from here to Manipur and is wanted in several criminal cases there including those under section 307 (attempt to murder) and section 326 (causing grievous hurt) of the Indian Penal Code.
