Regarding Marriage

Myself Ravi From Surat. We Are 4 Members In Our Family. Mom Dad Me And My Sister. Mine Age Is 29. And My Sister 26. My Mom Cannot Walk Since 20 Years Duse To Bad Accident Happened 20 years ago. Comming to The Point My Father Is Not At All Worried About Our Marriage. Whenever We Talk About It...he Says...You All Dont Want To Get Married. But Sir We Are Living Life Of Upper Middle Class. And My Father Goes To Panipuri wala And bhelwala etc...10th pass..type of boys for my sister. now its 1 year and he have stoped seeing boys or girl for us. and my father has got mentally thinking that we hate him...i dont know why and froom where he got this thing in his mind. my mother who cannot see the world....need to see her grandson before she dies. my sister who always dreamt about average looking guy who has capability to run family smoothly. Sir i just need to know is there any law in india through which i can give notice to my father, May be By Force of Laws he Do Any Thing. Please Give Me Guidance