Mother claiming Maintenance from son.

I am 29 years and working in MNC company , I was working since 2012 and was giving regular salary of 10000 to my mom for house expanse and along with i was keep paying other expanse like grocery, electrcity bills, gas biils , house tac and other expanse comes in house till date i was giving regular and also i have taken expanse of my parents mediclaim and hospital bills whenver they got sick and got operation, along will my sister is also there so her expanse are also inluded from my salary but after i got marriege due to some extra expanse i coudent manage to give 10000 to my mom and was giving 5000 and my father also giving 5000 to my mom and all other house expanse i have to manage , my home loan and others loan are going which debt is around 20 lac so i am not able to manage my monthly bills and house expanse to i told my mom to not to give you 5000 which i will manage myself and i told my parents to rest at home have enjoy your retirement age also i told them whenever you need anything from me tell so i will give it to you that but my parents are not understanding and they started fighting with me and for claiming maintainace they seprate from us file case claiming monthly maintainance CRPC 125 , i am ready to keep them with me and giving them batter life as i am trying to come out from debt but they dont understand me and file case against me and trying to harrasing me , Pl tell me how can i manage all this things... Pl guide