Of course! That’s a no-brainer. But before you do that, if you haven’t already, send a final email reminder to the PNO, stating that HDFC has failed to resolve the issue even after 30 days of the initial complaint. Emphasize that if you do not receive a satisfactory response within the next 48–72 hours, you will escalate the matter to the RBIO and seek compensation for the time and effort wasted in resolving the issue, as well as for the unauthorized cibil inquiry that may have negatively impacted your credit score.