How to detect the Revenue Sites and approved residential sites?

All the documents of the property, origin of title, RTC extracts, mutation extracts, conversion orders, paid conversion fee receipts, have to be examined. If the land is converted, it should be reflected in RTC. Further, tax payments receipts discloses the nature of the tax paid, whether land revenue or property tax. Revenue Lands have survey nos. and are mentioned in areas and guntas; whereas, residential sites have site numbers and mentioned in square feet. An experienced advocate would be helpful owing to the complexity of the different documents.