Patta and chitta online: how to check, and what it does not prove
Which of the two Tamil Nadu portals holds which record, how to pull a patta by survey number, and why a patta in the seller's name is weaker evidence than most buyers assume.
Guides
What your property documents actually prove
The government portals explain how to apply for a document. Almost nobody explains how to read one, or what it leaves out. That is what these are for.
More are being written — encumbrance certificates, parent documents and the thirty-year chain of title, and what to check before buying a flat in Chennai.