When was the ‘Permanent Land Settlement’ implemented in Bengal?

NCERT (2026-27): “1.1 An auction in Burdwan … In 1797 there was an auction in Burdwan (present-day Bardhaman). It was a big public event. A number of mahals (estates) held by the Raja of Burdwan were being sold. The Permanent Settlement had come into operation in 1793. The East India Company had fixed the revenue that each zamindar had to pay. The estates of those who failed to pay were to be auctioned to recover the revenue.…”