MTNL - MTNL broadband Speed Issue

We have taken a connection of *mbps with unlimited data from MTNL delhi. From last one month we are receiving only *mbps speed. I have raised complaint several times but issue is not been resolved. We contacted Rajpat first with our problem his contact is ********** the person who resolve speed issue, but later he stopped answering the call. Raised issue on **th January **** with Rajpat. Than he stopped answering the call. Somehow got the hold of his senior number whose number is ********** than even he couldnt resolve the issue. Distance from telephone exchange is ***meters ONLY. We are paying **** rupees per month so that we can receive good internet connection from Government of India, but it seems that we are not getting service what we are paying for. attaching the latest receipt of the bill paid. Also attaching the the complaint which we have raised from MTNL app. Kindly look into the matter and do the needful as they are harassing us. Following are details of the connection: telephone No: ******** name : smt birmati devi