Tata Sky — no signal and technician have not corrected the problem

Address:

Chennai, Tamil Nadu

my sub I'd [protected] .just recharged for rs 400 on April 4.On the very next my box stopped receiving signal, started trying customer care but no use my balance was going in vain but few days later technician showed up he said we should change the setupbox and it will cost rs 350 we also accepted then he said hell come with a box after an hour but five days over still we have not received anything