Brain hemorrhage. To cure his weakness.

My grandfather is of 80 years.he had got brain hemorrhage on right side of brain on12 dec 2016 and undergone brain surgery to remove clots.After that he gone in coma.after 1 and half months he came out of coma.After that we came to know that he had right sided paralysis.Earlier his left side was good but now it became very much weak.The cuffed tracheostomy,ryles tube and catheter is there for 7 months.He takes levera syrup,A to Z syrup,cardorone,Ecosprin av75,livogen,antibiotic for UTI,ambroxol syrup. He wants to speak but is unable to speak.He can't open his right eye also. There is very much secretions also. I want to ask is there any chance of recovery and also recomend some thing good to cure his weakness.