NEW DELHI, Nov. 13 -- The Centre on Friday extended the ban on fugitive preacher Zakir Naik's Islamic Research Foundation (IRF) for another five years under the stringent UAPA, with Union Home Minister Amit Shah saying that the outfit was propagating a "venomous ideology" of terrorism and separatism.

In a gazette notification, the Ministry of Home Affairs (MHA) said that the IRF has been engaged in activities prejudicial to the security of the country with potential to disturb peace and communal harmony. The earlier five-year ban on the organisation was set to expire on November 14.

"Led by fugitive terror preacher Dr Zakir Naik, the organisation has been involved in sinister anti-India designs, including inciting communal hatred and prom...