Security researcher Ibrahim Balic found that it was possible to upload entire lists of generated phone numbers through Twitter's contacts upload feature.
Zuckerberg, who co-founded Facebook in 2004, once again admitted the lapses and asked for another chance to lead the company.
The social networking giant said Wednesday the data of up to 87 million people worldwide -- including more than 300,000 Australian users -- were shared with Cambridge Analytica.
The ministry has raised five questions in all including whether the personal data of Indian voters and users has been compromised by Cambridge Analytica or any other downstream entity in any manner.
Cambridge Analytica scam: Whistleblower Christopher Wylie says group worked with Indian politicians including JD(U)
Wylie said his former employer Cambridge Analytica had an Indian arm and conducted election research on behalf of some parties including the JD(U), now a BJP ally, for 'desired outcome'.