Yes, promo codes from in.godaddy.com are legitimate. They offer various discounts and deals, which can be found on multiple coupon and deal websites. These promo codes can provide significant savings on GoDaddy's products and services.

However, it's important to note that these promo codes are subject to certain terms and conditions. They may only be valid on the retailer's website, subject to availability, must be used before the expiration date, cannot be used in conjunction with other offers, promotions or discounts unless stated otherwise, may not apply to taxes or any other fees, and are not transferable or redeemable for cash or credit.

It's recommended to check the official website or contact GoDaddy's customer service directly for the most accurate and up-to-date information.

To apply a coupon code on in.godaddy.com, follow these steps:

1. Visit the GoDaddy site and login with your account. If you do not have an account, you can create one during the checkout process.
2. Choose the product you want to purchase.
3. Once your product is finalized, click on the "Continue to Cart" button. You can also add your product to the cart by clicking on "Add to Cart" button and later follow the checkout process.
4. GoDaddy will suggest you additional related products. Choose additional products and click on the "Continue to Cart" link once you finalized the add-ons.
5. Your shopping cart will show you the total price and further options to choose if any (like years of purchase). Check the total cart amount and click on "Have a promo code?" link.
6. This will open a box. Enter your coupon code and in the box click the "Apply" button.
7. You will see a success message showing "Valid Promo Code" and the discount amount will be reduced from the total.

Please note that this information is based on the current policies and may be subject to change. For the most accurate and up-to-date information, it's recommended to check the official website or contact GoDaddy's customer service directly.