alt Hacker NewsIt will be used as evidence that the person who has GrapheneOS on their phone is attempting to break the law. Telegram and Signal chats are often used as circumstantial evidence of malfeasance in Indian national security cases, so the jump to using GrapheneOS as evidence of malfesance is tiny.
India already considers communications they can't monitor illegal. Specifically, satellite communication devices. Not just the crazy expensive satellite phones, but the satellite texting devices a lot of us backcountry types have. And some have been arrested for having them. Yeah, terrorists have used such stuff, but to us it's 911 for when we are far from the cell grid.