Analysis of information sources in references of the Wikipedia article "List of high commissioners of Bangladesh to Pakistan" in English language version.
The Ambassador of Bangladesh presented his credentials to the President of Pakistan on 2 January 1976, and Pakistan's Ambassador to Bangladesh reached Dacca on 12 January 1976.
On 1 January 1976 the first Bangladesh envoy Zahiruddin reached Islamabad. Similarly Pakistan's first envoy to Bangladesh Mohammad Khurshid arrived in Dhaka on 16 January 1976.
It's nice to be back," said Ambassador Zahiruddin, who served as Pakistan's Minister of Education and Health before the eastern wing of the country, the part he was from, broke away four years ago to become the independent republic of Bangladesh.
