A Project on "Integrated Lignite Resources Information System" (ILRIS) was approved by Ministry of Coal during September 2004 for implementation by NLC India Limited. ILRIS is a computer oriented project involving collection of exploration data from different exploration agencies for creation, implementation and maintenance of lignite resource database of our country.
This project will facilitate providing Geological and exploration details about the lignite blocks mainly in three major states Viz. Tamilnadu, Rajasthan and Gujarat. Besides, it also provides Geo-spatial information through GIS web application.