He attacked the BJP after his party came under scanner over the alleged use of services of Cambridge Analytica, accused of harvesting Facebook data.

According to a government official quoted by Mint, the NaMo app is designed to ensure that users do not have access to any data other than their own.

“The data in no way is stored or used by the third party services. Analytics and processing on the user data is done for offering users the most contextual content,” the official told the daily, requesting anonymity.