Airtel — disturbing by call

Address:

South Andaman, Andaman and Nicobar Islands, 744103

Since months i am getting continuous calls from a number that is [protected]. Whenever i receive the call, the caller does not speak but surrounding noise is clear. It means someone intentionally is trying to disturb me. It is just annoying to get so many calls. When i call the number to know who actually is doing this, that time i am blocked. Overall, it says that whenever caller wishes he or she unblocks me and then calls.