Additional Sessions Judge Reetesh Singh also sent Ranjit's associate P Prem Kumar to judicial custody after the Delhi Police said the two accused were not required for custodial interrogation.
The two accused were produced before the court on expiry of their police custody.
The police had earlier claimed that the accused had shifted the extremist outfit's base to Delhi and planning to carry out terror strikes here.
According to the police, Kumar was arrested in Imphal on January 12, while Ranjit and party cadre Inugbam Sanatombi Devi were arrested from East Delhi's Mayur Vihar area on the same day. Devi is currently in judicial custody.
It had said all the three accused were members of the banned outfit and Ranjit was its commander-in-chief. It had contended that the accused were required in several cases in Manipur.