Airtel — getting many customers ad calls

Address:

Chennai, Tamil Nadu, 600002

[protected] fr this airtel number i'm getting many calls from caller tune purposes and dialer tones calls.. When i'm in wrk station it's really disturbing.. Me alot. Even when i'm in important calls this type o[censored]nnecessary calls always coming as second call. Pls avoid such calls it's really irritated.. Often calls of this type is unnecessary for me so pls take action regarding this. Thank you