Consumer Redressal

Hi, I booked an appartement at sector 75 Noida with Aiims promoter in golf avenue 1 in tower b. Nuilder started the construction is all the tower but not in tower B till Now and on asking he ask to shift as be wouldn\'t be starting work on this frndt tower for next 2 year. when i ask would that be possible that you can give possasion with out completeing Tower B, in verbal he say yes but never give in written. Date of possasion is dec 2014 with 6 month grace period. Can we do some thing in written to update on the status and also to give plan and oblige to work on that plan to deliver our flat as per plan. Thanks, Neeraj