Babban zaɓen da aka gudanar a Gabashin Pakistan a ranar 7 ga Disamban 1970 wani lamari ne mai mahimmanci a tarihin Pakistan.An gudanar da wadannan zabukan ne domin zabar mambobi 169 da za su wakilci majalisar dokokin Pakistan ta 5, inda aka ware kujeru 162 a matsayin kujeru 162, sannan 7 aka ware mata.Kungiyar Awami karkashin jagorancin Sheikh Mujibur Rahman ta samu gagarumar nasara inda ta samu kujeru 167 daga cikin 169 da aka ware wa gabashin Pakistan a majalisar dokokin kasar.Wannan gagarumar nasara ta kuma kai har zuwa Majalisar Lardin Gabashin Pakistan, inda kungiyar Awami ta samu nasara a zaben.Sakamakon zaben ya nuna matukar sha'awar cin gashin kai a tsakanin al'ummar gabashin Pakistan da kuma kafa fagen rikicin siyasa da na kundin tsarin mulki wanda ya kai ga yakin 'yantar da Bangladesh da kuma samun 'yancin kai daga karshe.