HDFC Bank — HDFC Bank irritating calls for personal loan and credit card

My name is Savio. Time and again i have been getting calls 2-3 calls per day from the hdfc bank pressurizing me to take their credit card and personal loans. Even though my phone number is on do not disturb list it seems to have no value. The shameless call centre guys from hdfc are continuously calling and disturbing. I request you to look into this matter as soon as possible. Today morning i got a call from this number [protected]. Yesterday received call from[protected], [protected]