Right sided hemiparesis - recovery.

Dear Sir/Madam, My father 63 years old had brain stroke on 7th June'17 with no speech,no movement in right hand & right leg, its been almost near 3 months as on date. Out of 3 months, 1st month he was in allopathy hospital and now since 2 months he is in ayurvedic hospital with ayurvedic medicine along with some physical exercise(allopathic medicine also following), he is with suprapubic since 3 months, since two months he is able to walk now with walking cane, but there is no improvements in hand as well as speech, my father showing less interest or refusing  exercise,  due to which his arm and leg becoming stiff (difficult to unfold) and also due to heat in ayurvedic medicine there is small puss formation on back of right shoulder, please help us in answering our following queries; What is next step we can take ? What we can do at this stage? How long it ll take to recover speech, hand and leg ? How to treat that puss formation?