Star Health And Allied Insurance — Nuisance calls and harassment

I'm having issue with nuisance calls from Star health insurance, I told several times while the telecallers calling from different numbers that not to disturb me since I'm not interested and remove my number from database. Everytime they say ok and continue to call several times. Today I got one and when I was saying the same thing the guy on the other end was rude and said yes you have to answer multiple calls like this from our end. This is the number he called in from[protected]. This is very annoying and disturbs the peace of mind and well being.