Tata Sky — not receiving signal from 10days

Address:

Nagpur, Maharashtra

Sir, Due to your upgrading I can not avail my tatasky services from last 10 days eventhough my balance is Rs 494.while complaint repeatedly it always shows that the technician will join within 4hours.but the time never comes till today and shows all routs busy.my subscriber ld [protected] .solve the problem immediately.