A44 touch is not working

&lt;p&gt;&lt;b&gt;Location/place&lt;/b&gt;: Gwalior&lt;/p&gt;<p><b>Name of company/service</b>: micromax mobile</p>Sir, i’ve purchased micromax superfone punk A 44 on 16-Nov-2012
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Micromax A44
911227750123363
911227750327360
After the usage of 5 months its touch is not working.It is highly causing inconvinhence to me,as i dont have any other phone.suggest me something.I want the company to repair it and take proper step towards it