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Praveen Swami is deputy editor with the New Delhi bureau of Frontline and is considered one of India's foremost experts of Islamist terrorism.
He told me about the resentment felt by many young Indian Muslims.
"There's a deep feeling of oppression and the assumption all these years was that somehow economic progress and education would slowly wipe away these resentments and grievance," he said.
"That hasn't happened. If you look at most Islamist cells found in this county, the leadership is upper middle class, middle class certainly, people with a high degree of good education skills - a new generation of Muslims who ought to be benefiting from India's newly growing economy.
"But these kids encounter fearsome kinds of discrimination from day one. Delhi for example for all practical purposes is an apartheid city. In many neighbourhoods it would be almost impossible for a Muslim to get housing.