You Broadband — They not refund my Amount

Address:

Chennai, Tamil Nadu

Am put up in Chennai, i disconnect the you broadband connection from October 24th 2014.the you broadband people collect their modem within the week, during the modem collection time they given letter regarding the refund process, in that letter they mention within 45days we refund the Modem amount Rs.800/-, but still now i didn't received any amount from You Broadband, when i was calling to chennai office nobody giving proper answer about this refund detail.For new connection, service & Refund all this work You Broadband is Acting as Bad Manner, This company making the customer as fools.Any body please help for me to getting this Refund Amount.