Airtel Office — threatening calls

Address:

Bangalore, Karnataka

Dear Sir
I the undersigned would like to inform you that I have an airtel mobile No.[protected] which is prepaid one. I am residing in Vijayanagar 2nd stage, Bapuji Layout, near Canara Bank Chandra Layout branch.
I have been receiving threatening call nearly 15-20 times today i.e. 26-02-11 from 7.54 pm onwards, to my above said mobile from the NO. 91 [protected]
I request you to kindly look into the matter seriously and take action against the person and let me know immediately.
Shivashankar,
Sri Nanjundeshwara Nilaya,
214, 8th Cross, Bapuji Layout,
Vijayanagar 2nd stage near Canara Bank Chandra Layout Branch,
Bangalore - 560 040.
PH [protected]