Airtel — range problem call dropping

Address: 400706

I have been using Airtel postpaid sim since last 5 years.But since last 2 years facing frequent network issues with mobile No-[protected]. Had raised complaint many times to open network team, customer care etc but issue is not get resolved yet.If someone place call - people getting reaponse that number is not in coverage area.Fade up with your service. Check network issue for below address - Sec 48 seawoods navi mumbai.Awaiting for your response.