On 7 July 1972 Sindh announces Sindhi Language is used as -------

National language

Official language

Medium of instructions

None

Explanation

The 1972 Language violence in Sindh occurred starting on July 7, 1972.

when the Sindh Assembly passed the Sind Teaching, Promotion and Use of Sindhi Language Bill, 1972 which established Sindhi language as the sole official language of the province.