Airtel — this is the most worst network I experience

Address:

Bangalore, Karnataka, 560300

I have 4g in my office in (Kempegowda international airport) and it's showing full network but internet was not working and 10 to 20 time it's switching on and off and in my home also iam getting 3g but it's not working only just it's showing h+ that's it's (I can't play youtube videos and i can't play pubg game and i can't send whatsapp message also this is the most worste network please don't buy this one my number ([protected])