Dehradun, Aug. 25 -- A general manager of the State-owned Oil and Natural Gas Corporation Limited (ONGC) was allegedly duped of Rs.7.39 crore by cyber fraudsters, who lured him of hefty returns by investing in the market. Sanjeev Kumar Arya, ONGC Agartala GM and a resident of Ajabpur Khurd in Dehradun, said he had joined a WhatsApp group called M2 Wealth Secrets Exchange Group after receiving an invite link on June 15. "One of the admins, Mukesh Kumar, began sharing stock investment tips that initially appeared genuine," he said in his complaint filed on Saturday. "On July 25, he shared a link to install an app named Cantillion while luring members to invest. My number was later added to another group, Disciple Team, which had seven member...