Board Examiner has not checked My Answer Copy after Rechecking – Less Marks

Sir ,I m from 12 RBSE commerce,sir maine apni hindi ki copy rechecking ke liye dalvaai thi ,and uski xeorx aa gyi but sir mere totalling mai koi change ni h but jis examiner ne meri copy check kri ,usne mere 4 or 6 marks ke answer jo ki maine bilkul correct likhe and without any spelling mistake ,usme sirf half ya 1 marks diya h ,pura answer correct hone ke bavjood almost 7-8questions mai esa hi kiya h

And ek answer jo bilkul sahi tha usme to 0 hi de diya ,mai objection kese kru sir ,objection mai to teacher ne question mai marks kam diye vesa koi option hi nhi h ,mai kya kru sir ,board examiner ki vajah se mere pure  result pe affect pad gya ,i seriously say ,board authority is not doing their work seriously ,kisi student ki copy aankh band krke kon check krta h ,such a useless teacher

sir plz tell me what should i do ,my answers is correct and there is no option available for objection in such a case

plz help me sir ,i will be grateful to u.