When can we expect consciousness after a surgery for FTP contusion and acute SDH?

Hi doctor,

My dad is 60 years old. Before 15 days, he met with an accident and was injured on the right side of the head. There was bleeding on both the ears and some cholesterol like thing was there in one ear. We have noticed that, but not sure what it was. We have admitted him in the hospital and he had a surgery for left fronto temporopariatal (FTP) contusion and acute subdural hematoma (SDH). He looks like he has eyeball movement inside, but he did not open his eyes still. What is the reason? How many days will be taken to open his eyes? When we speak something to him there is no response from him. Can we expect that he will get conscious? When we give him a pain he is moving his hand and leg, but when we touch him simply, there is no response. What would be the reason? Can we expect him back as he was earlier? He is not speaking anything. The injury was on the right side head and the operation was done on the left side. Would like to know why the operation done on the opposite side? Otherwise, he is passing the urine and motion regularly. I will also attach the scan report. Please look at that and help me on my doubts and provide me the status of him.