As per "Vinubhai Haribhai Malaviya vs. State of... ... Arnab Goswami's Habeas Corpus Plea Against His Arrest - Live-Updates From Bombay High Court

As per "Vinubhai Haribhai Malaviya vs. State of Gujarat" judgment, nod of Magistrate is needed for further investigation. A "seen and filed" endorsement is not enough : Ponda.