The regulator said it has been undertaking several campaigns to educate the investors to be vigilant while taking investment decisions based on stock tips. Despite Telegram's origins, its approach to users' security has privacy advocates worried. Sebi said data, emails and other documents are being retrieved from the seized devices and detailed investigation is in progress. Anastasia Vlasova/Getty Images WhatsApp, a rival messaging platform, introduced some measures to counter disinformation when Covid-19 was first sweeping the world.
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