Consumer Redressal

sir i purchase htc butterfly mobile with bill but they cannot respond for my request.i face moreproblemss with this cell.since last 4 months.he gives china cell.but i pay for indian version with tax.sir please help me.cell cost 22000/rs.but cell perfomance even cannot 2000/only sir please consider my request and give your opinion how to replace for orginalpeace for theplacemnt of copy peace. iam an ordinary middle class peerson but i purchase over cost cell. this is my mistake.p;ease sir send information as early as possible.this is my request. have original bill containing with full details of cell.there is differnce language in cell.sir please help once iagain irequest you sir. i want justice