Sony Mobile — Delay in product delivery

Address:

462022

Sony service centre mansarover complex bhopal has committed that after repairing the mobile( Sony xperia m4 aqua dual) will hand over on 4th no. 2015 which was handed over to them on 9th oct.2015 then committed on 7th nov. 2015 then on 13th nov. 2015 again committed that at any cast will handover on 20th nov. 2015. when i spoken today again Mr. Vinod(sony circle hr head) has told will check the status and inform you after that they have stop lifting my call. I have spoken to many senior officer they are replying that they can't help me on this matter. my mobile in warranty till 10th july 2016.