service problem

&lt;p&gt;&lt;b&gt;Location/place&lt;/b&gt;: chhindwara/parasia/ambhara&lt;/p&gt;<p><b>Name of company/service</b>: J.B.N</p>Sir i compland to my cable operator for bad signal from last 3 month contenusly but they demand extra money from me.for that what can i do please help me.