Source : High resolution satellite imagery (Cartosat + LISS IV merged data) IRS P6 LISS IV Satellite data with spatial resolution of 5.8m and PAN images of 2.5m resolution were used for Digitization of road network in conjunction with Survey of India (SOI) Toposheets on 1:50,000 scale. Year of Generation : 2008 - 2010 Scale : 50K