Tunda was produced before Additional Sessions Judge Dharmesh Sharma after expiry of his judicial custody and the court extended his remand till November 13.
He was earlier sent to Hyderabad after the special investigation team of Hyderabad Police had moved the court on October one seeking his custody in connection with a production warrant issued against him by a court in Nampally there in a 1998 case lodged against him and others.
Hyderabad police had said that of the 29 accused, 17 have been arrested while the remaining 12 including Tunda were on the list of absconders. It had claimed that Tunda is a "hardcore terrorist" of LeT module and they need his custody in connection with the case.
He was produced before the court here after his interrogation in the case lodged in Hyderabad under various sections of the IPC, the Arms Act, the Explosives Substances Act, the Passport Act and Foreigners Act was over. 70-year-old Tunda was arrested from the Indo-Nepal border at Banbasa on August 16.
He was earlier remanded to police custody for questioning in connection with 37 bomb blast cases across the country.
Tunda is one of the 20 terrorists whom India had asked Pakistan government to hand over after the 26/11 Mumbai terror attacks. He is the first on the list to be arrested.