NAVI MUMBAI, March 11 -- A retired Mantralaya employee from Vashi lost Rs.4.71 crore in three months to an online share trading fraud ring. The fraud followed a familiar pattern - an advertisement promising high returns on stock investments with a link that adds the person who clicks on it to a WhatsApp group that shares trending stocks, IPO updates, and investment tips. Only exception was that the complainant had initially received Rs.2 lakh against his 'investment' of Rs.5,000. This ploy worked as the gang gained the complainant's trust and he invested a total of Rs.4.73 crore....