Yes, you can pay the GATE ECE exam fee through an online payment gateway outside your country.

Here is a step-by-step guide on how to do it:

1. Choose a Payment Gateway:
- Select a reliable and secure online payment gateway that accepts international transactions.
- Make sure the payment gateway supports the currency of your country.

2. Visit the GATE Official Website:
- Go to the official website of the GATE exam (https://www.gate.iitb.ac.in/).
- Look for the payment section or registration page.

3. Fill in the Application Form:
- Fill in all the necessary details in the application form, such as personal information, educational background, and exam center preferences.

4. Select the Payment Method:
- Choose the online payment option from the available payment methods.
- If there are multiple options, select the one that suits you the best.

5. Enter Payment Details:
- Enter your credit/debit card details or any other payment information required by the payment gateway.
- Make sure you provide accurate and valid information to avoid any issues with the payment.

6. Verify and Confirm:
- Double-check all the entered details before proceeding with the payment.
- Confirm that the payment amount is correct and matches the GATE ECE exam fee.

7. Complete the Payment:
- Follow the instructions provided by the payment gateway to complete the transaction.
- You may need to authenticate the payment through a one-time password (OTP) or other security measures.

8. Payment Confirmation:
- After successful payment, you will receive a confirmation message or email from both the payment gateway and GATE authorities.
- Keep a copy of the payment receipt or transaction ID for future reference.

Important Points to Consider:

- Ensure that the payment gateway you choose is secure and reputable to protect your financial information.
- Check the transaction fees, if any, associated with the payment gateway.
- Keep track of the conversion rates if the payment gateway requires you to pay in a different currency.
- In case of any payment-related issues, contact the GATE helpline or customer support of the payment gateway for assistance.

By following these steps and using a reliable online payment gateway, you can easily pay the GATE ECE exam fee from outside your country.