LG Refrigerator

I bought a LG Double-door Refrigerator in December 2010. Initially it was fine but soon it started undergoing problems.

The cooling, for example, is not upto the mark. Its freezer also not freezing ice at a proper rate and its basket too has broken.

I have called the service centre several times fto come and check it and replace the basket as it is still in warranty but hasn't got any reply.