India, Dec. 11 -- The Central Bureau of Investigation (CBI) said on Wednesday that it has filed a charge sheet against two Chinese nationals who allegedly ran an investment fraud in India during the Covid-19 pandemic that saw Rs.1,000 crore being stolen through shell companies. The agency said Shigoo Technology Pvt Ltd, owned and controlled by Chinese nationals, allegedly cheated the public during the Covid lockdown using a fake mobile application titled "HPZ Tokens", claiming that investments would be used for cryptocurrency mining and yield very high returns. HTC...