A ryotwari patta is the document by which the state recognises a person's right to land classified as ryoti land under the Tamil Nadu Estates (Abolition and Conversion into Ryotwari) Act, 1948, the law that dismantled the old zamindari estates and converted most of their land into land held directly from the government. The Act was never meant to cover land that revenue records already showed as a tank or as government poramboke, the term used for land set aside for a public purpose such as a waterbody, a cart track or a grazing ground. A patta over such land has no legal basis, whatever paperwork might say otherwise.
That is exactly what the revenue authorities found had happened at a site in Tiruvallur. A ryotwari patta had been granted, years earlier, to one P. Ramadoss over land that the earliest available revenue records classified as a tank and as government poramboke rather than ryoti land. On the strength of that patta, a residential complex of twenty flats came up on the roughly 0.22-acre plot. The units were sold off in the ordinary course of the real estate market, one of them to S. Gururaj, and another was mortgaged to Tamil Nadu Mercantile Bank Limited as security against a loan.
When the state discovered the fraud underlying the original grant, it moved to cancel the patta and reclaim the land for the waterbody it had been meant to remain. The matter reached the Madras High Court in Writ Petition No. 8661 of 2020, which by orders dated 11 July 2024 and 2 July 2025 upheld the cancellation and directed eviction of the occupants, demolition of the structure, and restoration of the site as a waterbody. Three appeals followed to the Supreme Court: one by Gururaj as a flat buyer, and two by the bank, whose security interest stood to be wiped out along with everyone else's claim on the land.
On the bank's appeals, the Court's reasoning tracked settled principle rather than breaking new ground. A mortgage is only as sound as the title of the person creating it, and a patta obtained by fraud over land that was never ryoti land in the first place conferred no title capable of being mortgaged at all. The bank's position as a secured lender, however legitimate the underlying loan, could not improve on a title that did not exist. Both of the bank's appeals were dismissed, and the cancellation of the patta and the direction to restore the waterbody were left standing.
Gururaj's appeal fared differently, not because the underlying cancellation was wrong, but because the twenty flat owners were purchasers who had bought their homes on the faith of a patta that appeared, on its face, to be in order. The Court weighed the public interest in reclaiming a waterbody against the hardship of putting twenty families out of their homes for a fraud none of them had committed, and declined to let the second consideration simply give way to the first without some accommodation.
The resulting order requires the Tamil Nadu government to identify and allot suitable, comparable alternative land to the twenty affected flat owners within six months. Demolition of the existing structure, and the restoration of the waterbody that the Madras High Court had directed, is to wait until that alternative allotment has actually been made. The cancellation of the fraudulent patta stands, the waterbody will eventually be restored, but the families who bought in good faith are not left to absorb the entire cost of someone else's fraud without the state first giving them somewhere else to go.
This ruling draws a reasonably clear line for anyone buying or lending against patta land in Tamil Nadu, and by extension in states with comparable revenue classifications. A ryotwari patta is only as good as the land's underlying classification in the revenue record, and that classification can be checked before money changes hands. A buyer or a lender who skips that check takes on a risk that a court's sympathy for innocent purchasers will soften but will not fully absorb; the bank in this case lost its security interest outright, while the flat owners secured only a resettlement, not a right to keep the land they thought they owned.
For banks and other lenders financing purchases secured against land carrying a ryotwari patta, the case is a reminder that a title search needs to go beyond confirming the patta exists and extend to the land's classification history in the revenue record itself, since a fraudulently procured patta over government poramboke or a waterbody will not support a valid mortgage no matter how long the loan has run or how regularly it has been serviced.