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. For example, WhatsApp restricted the number of times a user could forward something, and developed automated systems that detect and flag objectionable content. In a statement, the regulator said the search and seizure operation was carried out against seven individuals and one corporate entity at multiple locations in Ahmedabad and Bhavnagar in Gujarat, Neemuch in Madhya Pradesh, Delhi, and Mumbai. Founder Pavel Durov says tech is meant to set you free
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