Nextra Teleservices — About the disconnection and refund

Address:

H-256a super mig flats, Sector-12 pratap vihar Ghaziabad Uttar Pradesh 201009

My name Abhishek Verma my cus id is 2110839 my contact no is [protected] my mail id is [protected]@gmail.com I disconnected my nextra service from since july but also after that my connection not disconnected i complaint them over and over again from since july they are not responding it not also this they also replying of my email now i don't know what to do i gave them 1500 as security deposit but they are not listening i want my refund back please help me regarding this issue i just uploaded my receipt which i got from them when i given them security deposit