Ex-officials say Census data must be confidential amid concerns over potential NPR, NRC links
Records show that in 1951, NRC was prepared across the country by 'copying' data from the Census schedules; the countrywide NRC was never published, except in undivided Assam, which at the time also included Manipur and Tripura
We haven't written up this one. The Hindu has the full story — the link below goes straight to it.