Centre bans Islamic State, hunts for sympathisers

"We have banned this organisation (ISIS) as a first step. I will like to inform (the House) that the group has been banned under Unlawful Activities (Prevention) Act," he said during the Question Hour.
  
The Home Minister said the group has been proscribed under the provisions of UAPA that relates to organisations listed in the Schedule to the U N Prevention and Suppression of Terrorism (Implementation of Security Council Resolutions) Order, 2007 made under section two of the United Nations (Security Council) Act, 1947 and amended from time to time.
  
Noting that the government took cognisance immediately after ISIS activities began to spread in different parts of the world, Singh said ISIS has been prohibited.

Source: News in Hindi and Newspaper