Days after the Uttar Pradesh mahagathbandhan between SP, BSP and RLD suffered a massive defeat at the hands of the Bharatiya Janata Party (BJP) in Lok Sabha elections, the alliance is just a step away from falling through. On Tuesday, BSP chief Mayawati said that Akhilesh Yadav failed to secure his vote bank of the Yadav community and announced to contest bypolls on 11 seats alone.