Tata Docomo — Feel like customers are 420

Address:

Karimnagar, Andhra Pradesh, 505001

My number is [protected]

i was used photon and disconected due to moved to other state and paid on april 15 th, full and final settlement amount as per there advised ... After 6 months they send due list ... I send every thing recorded ( i have not used single mb. Of internet)
amount due as per they record 3411 ... Along with legalnotice

tata feel like customer is 420, he cant' do any thing