Hyundai, i10
Not giving exchange bonous

I complained two times in hyundai costomer care they are give me only coplain id and told show room will contact you, show room persion contact me told that threre were ghapla in our show room so we are not handing you the exchange bonous, write to our gm of show room .but no reply from them.i purchased i10 on dated 8/12 /09 from utkal hyundai berhapur, many time visiting show room but returned me. I am totaly harashed, I am also came to know many costemer like me in utkal hyundai berhampur suffering this type of problum.