New Delhi, Dec. 15 -- The Special National Investigation Agency (NIA) Court at Patiala House Court on Monday extended the custody of Dr Bilal Nasir Malla and Shoyeb, arrested in connection with the Red Fort blast case, for a further four days.

Both accused were produced after their NIA custody expired.

Principal District and Session Judge (Special NIA Judge) extended the custody of Bilal Nasir Malla and Shoyeb. The hearing was conducted in a closed courtroom.

During the hearing, the Special NIA Judge also allowed an application of NIA seeking permission to take handwriting samples of Bilal Nasir Malla. Thereafter, the handwriting samples were obtained before the magistrate.

A total of 15 people lost their lives and over two dozen othe...