'It is important to destroy, to undermine, to debunk the narrative of ISIS,' Olivier Roy -- one of the world's leading experts on radical Islam -- tells Rediff.com's Vaihayasi Pande Daniel in an exclusive interview.
'They are not affected by ISIS' sentiment of avenging the suffering of the global ummah.' 'They have a huge ummah of their own in India, a huge Muslim population.' 'And because of that, they have to take into consideration the political and social conditions of Muslims in India.' 'They have to express themselves in a more political way and not through terrorism.'