Take this up legally. Go to consumer forum. These guys think that they can take gullible public for a ride. From my past experience, what i have learnt is that we generally dont take time to note down things like the complaint number etc. this is the loop hole used by these companies to take us...
I purchased a Aquaguard product which was their top-of-the-line and most expensive one. But within 2 months of installation, the machine has developed a leak. Calls to their call center only results in my getting newer and newer complaint numbers and assurances that the issue will be resolved...