Dutt, who was scheduled to return to prison on January 21, had applied for extension citing wife Maanyata's ill-health.
75-year-old Kazi had surrendered at TADA (Terrorism and Disruptive Activities Prevention Act) court in Mumbai in May 2013. She was charged under TADA act for abetting and aiding terrorism activity.
In March 2013, Press Council of India chairman, Justice Markandey Katju had written a letter to the President, Prime Minister and Home Minister of India seeking pardon for Zaibunissa Kazi. Katju cited that Kasi was a 75-year-old widow, who was suffering from kidney troubles and that she had already served 9 months in prison.
On March 12, 1993, 12 coordinated blasts rocked Mumbai's various parts, killing at least 257 people and injuring more than 700. Allegedly, the blasts were masterplanned by underworld don Dawood Ibrahim and two other terrorists, to avenge Babri Masjid incident.