In this video, I have shown the number of Bengalis in Civil Services at the time of Indo-Pak partition and what were their numbers before East Pakistan got independence from Pakistan.
Though Punjab still had a larger share of the cake East Pakistanis were not given the crumbs. https://twitter.com/JustujuMedia/status/1276804666093735936

In the Jute Board of which Ayesha Jalal in her book, 'The State of Martial Law', makes so much of a fuss, all nine directors were from East Pakistan.

In the important ministries of foreign affairs, finance, education, home affairs, planning division, economic coordination...

..and external assistance, East Pakistanis had either a greater number of Class 1 officers in 1971 or only marginally less than those from Punjab.