Internet freedom advocates on Friday warned new Indian social media regulations could pose a threat to freedom of expression, after New Delhi announced plans for tough new rules that could force platforms to remove content it deems objectionable.Under the new regulations — unveiled on Thursday and due to come into force in three months — social media platforms, online streaming services and digital news services could be forced to remove content 36 hours after a complaint is made.Tech companies will also have to disclose the origin of a "mischievous tweet or message" if asked by an Indian court or the government.That could lead to encrypted messages — a fundamental selling point for the Facebook-owned platform WhatsApp, which boasts hundreds