BJP youth wing leader Pamela Goswami, her friend Prabir Dey and her private guard Somnath Chatterjee were produced in court on Thursday and remanded in judicial custody for another 14 days.
They had been arrested on February 19.
Police submitted a prayer before the court to record the statement of Amrita Singh before a magistrate in the cocaine case.
Amrita has been held for allegedly supplying the cocaine to arrested BJP leader Rakesh Singh.