Navi Mumbai: In two separate incidents of cyber crime, two senior citizens from Navi Mumbai lost a total of Rs 3 crore. Cyber fraudsters posed as police officers, threatening legal action for money laundering, and assured high returns for investment in share market trading.A 60-year-old mechanical engineer residing in Nerul fell victim to a share market trading scam and was duped of Rs 2.20 crore. Acting on his complaint lodged at cyber police station on Wednesday, an FIR under relevant sections of BNS and IT Act was registered for cheating by impersonation and forgery.In another case, an 81-year-old man residing in Seawoods, registered a cheating case at NRI coastal police station against a four-member gang of fraudsters who posed as crime branch and CBI officers and duped him of Rs 8 lakh. They put him under digital arrest from May 29 to June 1 to prevent him from contacting anyone. — George Mendonca