Activating your credit card is a crucial step to start utilizing your new credit line. Different banks may have different procedures for activation, so it's important to follow the specific instructions provided by your bank. Here is a comprehensive guide on how to activate your credit card both online and offline.

**How to Activate Your Credit Card Online?**

1. **Internet Banking:**

- **Step 1:** Visit the bank's official website and log in.

- **Step 2:** Look for the 'Credit Card Activation' option and select it.

- **Step 3:** Enter the required details such as your credit card number, date of birth, and card expiry date.

- **Step 4:** You might need to enter your ATM PIN or set a new PIN.

- **Step 5:** Verify your identity with an OTP sent to your registered mobile number.

2. **Mobile App:**

- **Step 1:** Download and log into the bank's official mobile app.

- **Step 2:** Go to 'Register', select 'Activate a card', and choose 'Credit Card'.

- **Step 3:** Provide your credit card details.

- **Step 4:** Authenticate the activation with an OTP sent to your mobile.

- **Step 5:** You may be prompted to create a new user ID and password, after which your card will be activated.

**How to Activate Your Credit Card Offline?**

1. **Customer Care Service:**

- Visit a bank branch or call the customer service number (available on the bank’s website) for assistance in card activation.

2. **Via SMS:**

- If supported, send a pre-defined SMS to the bank. This might include a command such as your ATM PIN or a specific keyword provided by the bank. You will receive a confirmation message regarding the activation status.

It's advisable to first check with your bank regarding the available methods for activation specific to your card. Whether activating online or offline, ensuring that your credit card is ready for use is simple and straightforward, keeping you ready for all your financial transactions. Lastly, always use official channels and safeguard your personal information during the activation process.