This is the first time that such a large number of religious leaders and Imams have issued a joint fatwa against Islamic State - also known as Daesh - which has unleashed a reign of terror in the Middle East, killing thousands of innocent people.
Abdul Rehman Anjari, president of the Mumbai's Islamic Defence Cyber Cell, collected the edicts from Muslims scholars and leaders over the past few months.
These fatwas are in 15 volumes, and copies were sent to UN Secretary General Ban Ki-moon and other leaders to convey Indian Muslims' views on IS activities.
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It urged the international community to take immediate steps to eliminate this terror group that has caused mayhem in the region and is spreading its tentacles in the South Asian region.
The signatories to the fatwa include the Shahi Imam of Jama Masjid Syed Ahmed Bukhari, head priests of Dargah Ajmer Sharief and Nizamuddin Aulia, functionaries of Mumbai's Raza Academy, Mumbai's Jamait Ulema and the Ulema Council. Hundreds of imams and various religious leaders have also endorsed it.
Anjari said muftis and imams of all sections and sects of Islam have condemned the activities of Daesh and acknowledged it has tarnished Islam's image.
The fatwa was issued at a time when reports say that Daesh mercenaries are trying to lure Indian youth to join them.