Help my helpless brother

My brother name is sujay s o.he is 28 now.he is suffering from a rare brain disorder HYDROCEPHALUS by birth which affected his brain and made him mentally challenged...this disorder also gave him a extra SEIZURES also and immunity level is very weak.we have spent lakh together to treat him.for some years he was ok.but,from 2017 he was infected by bacterial infection suffered from ARDS, SEPSIS ,SEPSIS SHOCK, PNEUMONIA he recovered.later in 2019 again he got infected by bacterial infection suffered from SEPSIS SHOCK ,VAP ,MODS,VIRAL PNEUMONIA got hospitalized for 18 days got recovered and again after 3 and half months he got affected by dengue and influeza B viral PNEUMONIA got hospitalized for 10 days got recovered all the three times we hospitalized. we have spent more than 5 6 lakhs in last 2 years only.we are from a poor middle class family we cant offer that much money.we have made loans everywhere.we are now in financialy critical situation.if someone helps us in a financial way it would be great help to my family and specially for my brother to get further treatment.