Croma — laptop acer

Address:

Bangalore, Karnataka

I bought a laptop form Croma New Bel Road i given for a service i got back after 2 month but i given for change the screen its under warranty they change and they given but then made defect for Bluetooth and my locking edge of screen i given the complain to them they told the person will come with in a week but now its more then 4 month still they not turn up when i will go they will tell with in 2 days the 2 days never come please help me out