A city court on Monday remanded Prasanta Biswas, arrested for allegedly making a threat call to the city office of Air India here that one of its planes will be hijacked, to judicial custody till January 9.
Additional Chief Metropolitan Magistrate II Deepto Ghosh rejected the bail plea of Biswas and remanded him to judicial custody on a prayer by the prosecution counsel.
Biswas was charged under section 66 A (b) of IT Act and section 506 (criminal intimidation) of Indian Penal Code.
Biswas was arrested by the Special Task Force (STF) of the Kolkata Police from Bongaon area in North 24 Parganas district on Sunday for allegedly making the threat call on Saturday evening.
A special team comprising officers of the STF and the detective department tracked the number from which the call was made to the national carrier's city office and arrested Biswas (35).
Security has been beefed up at the Netaji Subhash Chandra Bose International Airport here following the telephone call threatening that an Air India plane would be hijacked.
Dog squad has been pressed into service in and around the terminal buildings, while all luggage were being manually checked besides the normal scanning procedures.