Arranged Marriage Pressure: Girlfriend's Family Ignoring My Job Prospects and Caste

I am in relationship with a girl for 6 year but now her parents almost fix her arrange marriage and they dont care about her choice they didnot even consider her opinion about the boy they met ..except her everyone in family like the boy because he is rich and handling his father business and here i am i dont have job i am preparing for government job i asked her family please give me some time i,ll get the job this year but they say we cant agree for the possibility of you getting job or not and her mother say we dont allow intercaste marriage i am sc and she is general and pandit .. i am 26year old what should i do .. i think ab uske parents jada jaldi krre hai shadi k loye because unhone merse baat krli to unko dhr hai ki m kuch esa vsa na krdu jisse unki society me respect vghra ko khtra hoga isliye or vo jada rishtedaro ki sunre hai... mne apni gf ko bola hai ki filhal jb tk job nhi lgti meri tb tk unhe boldo ki mere sath ab kuch nhi h that she blocks me or vo apni side se tb tk rishtey ko mna krti rhe pr uske ghr vale uska opinion about boy consider hi ni krre hai jo unke rishtedaro ne discuss krliya ladka thik h to unhone usko haan boldi ... mujhe kya krna chaiye...her parents do all emotional blackmail to her as today they even touched her feet and said hme pta h tere liye kya shi h hmne tko pala h kuch bhi esa nhi krdio jisse hmari ijat khrab hojaye m pagal hojaunga Esi dhamkiya dere h ... or usko b kse jo rishte are h unko mna kre jisse ye na lge ghr valo ko ki mere karan naa kre jare h or rishtedaro ka b dominance kse km kre bhot sare doubts h kya krna chaiye kuch nhi smjh ara h