Daughter right

My question is I,m my father's first wife daughter my mom has dead in my childhod.i have one elder brother who is Careoff me when my stepmom and my father threw from home.my brother bare all the expenses of my study. When i was go out of city for then a boy who's is related of my family who make me friend and love me one side and then he injured yourself for the marriage with me he cuts his hand then his family suggest me that I do marriage with that gay only on paper and then he will not disturb me in my study if my brother angry then we take any step if not then we do other girl my marriage will be done by court but I don't know any fact of all and my brother don't know anything this fact I,m busy my study and he also busy his business my brother was not agree for this marriage because I want well educated qualified boy because he was iletrate then his marriage that gay but I don't know any fact when brother search boy of my marriage then his cancelled this marriage because after marriage no any complication will be held but this time my brother financial condition is not good he also have five daughter so my brother told my father for help of my marriage then my father deny for help on the behalf of that marriage but he don't know real fact this marriage fact no one konw my brother file case against father for support of my marriage. In these matter I,m so depressed because no one know this fact and he search fact to prove I,m married that I have no right for any some and my father 4th grade government employee he will be retire December2018 can challenge this...? My social life so complicated if he prove it I,m studying LLB and c.s professional and trainy in ca firm