Tikona — Tikona BroadBand not working on Wifi Router

I have renewed the Tikona Broadband Plan - 40 MBPS in 23rd Aug'21 by paying RS 3300 for 6 month. I observing frequent disconnection of internet when it connecting to Wifi Router from last 10 days after Tikona Replaced their Switch. I logged so many complaint but no permanent Solution. They are telling that connection is good from their end, it is my router issue . I connected my Router in nearby Tikona BB Connection and it working fine . I shared the screenshot to Tikona Customer Care and told to resolve the issue but it in vein now i need refund of my money as they are not willing to resolve my issue., now they are not refunding my amount and also not providing any technical solution even after multiple followup on customer care number and email id. Please help me to get the Refund .