If you are facing harassment from a banker regarding a credit card issue in India, you can take recourse under various sections of the law. Here are some relevant sections that you can consider: Section 72 of the Information Technology Act, 2000: This section pertains to the breach of confidentiality and privacy of information. If the banker has improperly disclosed your personal and financial information related to the credit card, you can take legal action under this section. Section 72A of the Information Technology Act, 2000: This section deals with the punishment for disclosure of information in breach of lawful contract. If the banker has disclosed your information in violation of the terms and conditions agreed upon in the credit card contract, this section can be invoked. Section 66C of the Information Technology Act, 2000: This section addresses identity theft and punishment for fraudulent use of electronic signature, identity theft, or any other dishonest act in relation to your credit card. Section 420 of the Indian Penal Code (IPC): This section deals with cheating and dishonesty, and it can be applicable if the banker has engaged in fraudulent activities or deceitful practices related to your credit card. Section 506 of the Indian Penal Code (IPC): This section addresses criminal intimidation. If the banker has used threats, coercion, or intimidation tactics to harass you in connection with your credit card, this section can be invoked. It is advisable to consult with a lawyer who specializes in cyber laws or consumer protection laws in India to understand the specific legal provisions that apply to your situation and to proceed with the appropriate legal action.