Centralised Resource Inventory System - CRIS
User Added Content and Layers
Disclaimer:This is version 1.0 data. Improvements are being done. NSRC/ISRO disowns responsibility for any inadvertent errors, beyond its limitations.
Use the following options to select and right click to finish -- Draw a Point -- Draw a Line -- Draw a Polygon -- Edit/Modify   Line,Polygon
Please select for undo and for redo the current drawing.
Click on Line/Polygon to know Length/Area.