Rubuta ci gaba don wannan sakin layi - Bengal na Pakistan ya shiga cikin lokacin zalunci, kamar yadda juyin mulkin Pakistan na 1958 ya kafa mulkin soja na Ayub Khan, wanda ya kori hagu na Bengali da ƙungiyoyin dimokuradiyya. Socialist Sheikh Mujibur Rahman ya fito a matsayin shugaban 'yan adawa kuma ya kaddamar da motsi na shida don samun karin ikon cin gashin kai a Gabashin Pakistan. A shekarar 1969, wani tashin hankali a Gabashin Pakistan ya haifar da hambarar da Ayub Khan da kuma nasarar zaben Rahman. Amma sabon shugaban sojoji Yahya Khan ya ki amincewa da sakamakon kuma ya aiwatar da dokar ta baci a Gabashin Pakistan. A matsayin wani bangare na Operation Searchlight, sojojin Pakistan sun fara aikata kisan kare dangi
kan mutanen Bengal, suna kashe daruruwan dubbai. Wannan ya haifar da shelar Independence na Bangladesh da farkon Yakin 'Yanci na Bangladesh, wanda ya haifar da mika wuya ga dakarun Pakistan da kuma' yancin Jamhuriyar Jama'ar Bangladesh.