An agriculturist and social worker, the low-profile leader has been active in politics from his student days and served as state unit president of the Bhartiya Yuva Morcha in 1991 and as vice-president at the national level.
The 56-year-old leader is considered to be close to both Modi and BJP president Amit Shah.
The Centre had, in an affidavit filed in the apex court earlier, said it had issued a letter on April 18 to all states inviting comments and views on the "seminal issue" raised in these petitions.
The Centre told the Supreme Court on Tuesday a new data protection bill is ready and will be introduced in the monsoon session of Parliament in July, as the apex court heard a matter related to privacy concerns of social media users.
Biometric authentication is based on the unscientific and questionable assumption that there are parts of human body that does not age, wither and decay with the passage of time.
