Daughter in pain as parents are against love

i am a 23 year old girl and into relationship from 5 years with a boy of same caste,but we are into family relatives.
my parents are against my relationship totally and me totally towards my love,i cant do without both of them.my mother says i dont like the boy his family and anything of his...please advise me how to convince my parents

Hi There,

Thank you for writing to us dear friend.
Would request you to give some more information about your developing relationship. Also, detail us more into this word " family relatives ". What kind of a relation are you talking about, etc? Moreover, what is the basic point on which your parents are against this marriage?

Thanks.