Chandrakar, extradited from Oman earlier this month, was produced before Special Judge (CBI) Manoj Kumar Singh Thakur upon the expiry of his eight-day custodial remand in the central agency.
The accused, identified as Partha Pratim Nandi from Kolkata's Sodepur area, is a cancer patient and wrote the hoax threat to not leave his ailing wife behind.
