The most reliable and updated platform to watch the entire series is . Since the show was a Star Network property, Hotstar hosts every single episode from the pilot to the grand finale.
When you type , Google looks for:
Another angle: Are there any app-specific codes or promo codes for free access? Unlikely. Also, maybe the user is in a country where the show is not available on legal platforms. Then, they might want to use a streaming service through a region changer, but again, that's a grey area.