Mark Zuckerberg of Facebook, Indian-American Sunder Pichai of Google and Jack Dorsey of Twitter have been invited to testify before the Senate Judiciary Committee scheduled for April 10 by the Committee's Chairman Chuck Grassley. Cambridge Analytica worked extensively in India, says UK whistleblower A former employee of Cambridge Analytica turned whistleblower said today that the company had worked extensively in India and believed it was employed by the Congress party during his evidence before a UK parliamentary committee investigating the issue of fake news. Christopher Wylie deposed before the House of Commons Digital, Culture, Media and Sport Committee (DCMS) here amid an escalating row around alleged Facebook data breaches linked with the controversial UK-based company, which has also been linked with alleged attempts to influence elections in India.