Fraud in repairing of tablet

&lt;p&gt;&lt;b&gt;Location/place&lt;/b&gt;: Kanpur, U.P.&lt;/p&gt;<p><b>Name of company/service</b>: ZYNC</p>I submit my tablet on zync service centre on 24/04/2013 for repairing, repairing time is 15 working days . I send 2 legal emails to zync after repairing time but company want some more time, today is double of repairing time so what to do ? It’s enough I want my tablet as soon as possible . Service centre jobsheet no. is RVSRN1304TRI00108