After which incident, Sir Syed Ahmad Khan predicted that gulf of differences between Hindus and Muslims of India shall widen with the passage of time:

Sir Syed Ahmad Khan predicted the widening gulf between Hindus and Muslims following the Hindi-Urdu controversy of 1867. When some Hindus demanded that Hindi (written in Devanagari script) replace Urdu (written in Persian script) as the official language in the United Provinces, Sir Syed realized that the two communities could not work together in the political sphere.