Rubuta ci gaba don wannan sakin layi - An kafa dokar ta baci ta biyu a ranar 25 ga Maris 1969 ta Janar Agha Mohammad Yahya Khan, bayan Janar Ayub Khan ya mika mulki ga babban kwamandan sojojin, ba mai magana da yawun Majalisar Dokoki ba kamar yadda kundin tsarin mulki ya tanada. Da ya hau kujerar shugaban kasa, Janar Yahya Khan ya amince da bukatun jama'a ta hanyar soke tsarin naúrar daya a Yammacin Pakistan a ranar 1 ga Yuli 1970 kuma ya ba da umarnin gudanar da babban zabe bisa ka'idar mutum daya da kuri'a daya. An gudanar da babban zaben farko a watan Disambar 1970, duk da haka, ba a canja gwamnati zuwa Zaben Awami League ba. Wannan ya haifar da lalata haɗin kan ƙasa (galibi ta hanyar sarakunan soja) kuma a ƙarshe raba Gabashin Pakistan
aka yi yaƙi.