This document defines and explains different types of land ownership and transaction documents in India. A pattayam is the original record of land ownership, while an aadharam is a registered document recording a land transaction. A possession certificate and location sketch provide details about current possession and location of a property. An encumbrance certificate shows any liabilities or charges on a property. These documents like original land records, encumbrance certificates, possession certificates and tax receipts are often required for activities like obtaining loans using property as collateral.