Wife filed for divorce & claiming huge amount as maintenance

Respected sir mam i am from sikh family i got married in 2005 in amritsar i had a son he is 12 my wife applied for divorce case in july 2017 and in December 2017 and January 2018 she filled dv and section 125 case on me from Chandigarh and now she is asking for heavy maintenance from me she is having wheat allergy and attached slips of pgi hospital and branded food products as her product r costly i am too a depression patient just after 3 years of my marriage i am going through physcatric treatment but my wife blamed me as drugist in court as he is addicted the main thing is that i am working with my father in shop my father is propritor in firm not me nor i pay income tax i want to ask how maintenance will be setteled as i live in a big house that is in name of my father and my father has disown me but still i am living with my father what to do pls help me