Suggest Treatment For Loss Of Consciousness

my friend father is suffering from unknown desease. he cant walk cant talk and in completly no sense. and it has been only since last one week. he is hospitalised in safdurjung hospital and they also dont know what to do. they simply giving him glucose and uncle healt is deteriorated day by day. I afraid we will lost him... we have done all of the required test like MRI, Scan, KFT,LFT. And everything seems to be alright in reports except one little problem in his brain but they dont know what that problem is... my friend also dosnt belong to a rich classs so he cant afford to go to a private hospital. please help him out.....