Someone — Disturbing unknown number

Address:

Sonbhadra, Uttar Pradesh

Respected sir/ madam,

A local (number [protected]) are disturbing my sister with a lot o[censored]nnecessary phone calls and sms .when my sister is not reviving this mobile number then that person is calling other different-different number.Currently, disturbed my whole family .
Please i requesting to take some action... I will be thankful to u very much.

Regards, Amit Kumar Pathak
Mobile No.- [protected]