Land measurement units

                  If one wants to construct house or buy any property, then it is essential to have correct knowledge of units of land measurement. There were various units of land measurement  in India due to influence of  different empires.

                 Early during Maurya period,Kautilya had developed land revenue collection system. After that Mughal empire  tried to develop very precise  land measurement system .Illahi gaz, unit of measurement length was used throughout Mughal India. In Tamilnadu, unit of measurement was developed in Chola period. Smallest unit of measurement was Viral. In western Maharashatra , Shivaji had developed land administration system.

                  http://mycoordinates.org/indian-prelude-to-british-cadastral-and-revenue-maps/all/1/

                     Now a days, British units are used for land measurement. Basic unit of measurements   are as follows:

                 1)12 inch = 1ft

                 2) 1Guntha = 33ftX33ft = 1089 sq.ft

                 3)1 Acre = 40 guntha

                 4)1 Hectare = 2.5 Acre

                 The  system  of measurement in the state is a Chain survey. All Talathis have to pass examination on revenue survey  to mark boundary of the property according to village map.

                 More about Acre and Guntha.

                 Revenue survey map are measured by Acre.The chain used for   
        measurement  is 33ft long and made up of 16 links. A acre  is 40 Gunthas.1
        guntha is 1 square chain. 1 link long and 1 link broad is Anna.