GHMC Metro Rail Compension issused in wrong name and refusal to correct

I own a office space in a building, part of which was taken over for the metro rail construction in 2016. GHMC Metro Rail issued the compensation cheque in favor of previous owner. I bought this to their attention promptly and requested for correction within the allowed timeframe. They responded asking me to get no objection affidavit from previous owner duly notorised. I tried contacing the previous owner but I was told he no longer resides in this country. The sale deed registerd with him was in 2005 (around 10 years before Metro Rail project) I informed the LA GHMC HMR special deputy collector that it wasnt possible to reach the previous owner and to provide an alternative. I was asked to pay a bribe verbaly and I refused. Eventually I was forced to file a civil case in 2017. Getting dates for hearing had always been difficult since day-1 and now, the judges say this is an "unimportant case" and they're only hearing newer cases. It's been 5 years since. What are my options? Can someone please help?