Airtel
Aunauthoried calls

Espected sir/madam

my cell no 9896063606 from haryana, the unauthorised calls of this company for activation of callertune. But i have allready activated "no disturb" service of this company.after the activation of this service the company calls are continued.if we talked with customer care of this company at mohali, they misbehave with us.so please give me solution of my problem