اردو ۔ ہندی تنازعہ بر صغیر میں سب سے پہلے کب شروع ہوا؟

The Urdu-Hindi controversy first began in 1867 in British India, particularly in Varanasi, when Hindus demanded Hindi be the official language instead of Urdu. Options B, C, D are incorrect as they represent later periods or unrelated events.