It comes after he alleged the information mined from the profiles of 50 million Facebook users, gained via a security breach in a personality quiz, were used to get Cambridge Analytica's client Mr Trump elected by targeting voters.
"Last week showed how much more work we need to do to enforce our policies and help people understand how Facebook works and the choices they have over their data", said Erin Egan, Facebook's vice president and chief privacy officer, said.
Speaking at the UK Parliament on Tuesday, Wylie said the Congress was one of the political parties in India that had used the services of the tainted company Cambridge Analytica.
"They are an example of what modern-day colonialism looks like", Wylie testified.
The official British note of approval was one of over 100 pages of documents handed over to the digital, media, culture and sport select committee by Cambridge Analytica whistleblower Christopher Wylie earlier this week, following a oral hearing that lasted almost four hours.
Wylie became a research director for Strategic Communication Laboratories (SCL), the parent company of CA, in 2014.
The earliest work referred to was during the 2003 Rajasthan elections, when it carried out two pieces of work focused on a "major State" party's "organisational strength" and also the voting population, including their attitudes and behaviour.
Domestic media reports have said that Cambridge Analytica and its India partner have been in talks with both the Congress and the BJP for a possible collaboration for their 2019 Lok Sabha election campaigns. It is curious why, after such a long and successful run, they did no work in India after 2012, especially with a big election season in 2013-14.
He said, "I believe their client was Congress".
"I've been getting a lot of requests from Indian journalists, so here are some of SCL's past projects in India", Wylie tweeted.
Wiley said that the Canadian-based company that worked on Brexit, Aggregate IQ, was a "franchise" of SCL and built the software that Cambridge Analytica and others used for its election operations. "But they do have offices there, they do have staff", Wylie said under oath.
Dehaye, who is the co-founder of Personal.Data.IO, said Muresan worked simultaneously on projects in Kenya and India.
While Cambridge Analytica denied the allegations, the media reports have caused concerns across the globe with law enforcement authorities from the United States and the United Kingdom summoning Cambridge Analytica and Facebook's Mark Zuckerberg. "Congress Party needs to apologize to the nation for data theft and trying to manipulate voters", tweeted Ravi Shankar Prasad, the country's information technology minister.
He said Aggregate IQ, which he described as a shell company of Cambridge Analytica, had been involved in sending violent and intimidating videos to voters in Nigeria in an attempt to swing an election. "We said the server should be hosted in India only".
The revelation has also anxious lawmakers in the United States and the United Kingdom about the extent to which Cambridge Analytica influenced voters during the 2016 USA elections and the Brexit referendum earlier that year.
In an interview with CNN, Facebook CEO Mark Zuckerberg has said Facebook was committed to stopping interference in the US midterm election in November and elections in India and Brazil.