Tata Sky — Visiting charge

Address:

421201

i have tata sky connection, my set top box hang, can not work with remote control so i ask for technical support, but company ask me to pay visiting charge rs.170 and extra for damaged parts,
and they forcing me to pay 499/- for annual warranty facility.
but why i should pay if the settop box own by company, we pay monthly charges for the service, if there is problem in the hardware why we should pay charges?
please help me