Vodafone India — receiving unnecessary calls from the following number [protected]

Address: Chennai, Tamil Nadu

Respected sir/madam i am dr s prabu shankar, airtel prepaid customer, my number is [protected]. from today morning i am receiving unnecessary calls from the mobile number [protected], i learnt that this is a vodafone number, hence i am making the complaint to vodafone india. the calls when attended is not taken by anyone and they are repeatedly calling my number and this is affecting my peace of mind and i am strained due to this. In the background i hear a lady voice using filthy language. kindly help me in this regard. i have a peaceful family and i am in the education sector working as an assistant professor. kindly bar this number from calling me. Take stringent action against this caller if possible. Thankyou. Please help in this regard