The new rocket launched today by the Indian Space Research Organization (ISRO) comes with three satellites and costs Rs 230 crores. One of the satellites - the ResourceSat-2 will help map forests glaciers, and monitor crop yields.But is this what India really needs? Experts point out that India already has the largest constellation of 10 civilian remote sensing satellites in the world. And the government's auditor has reported that almost 90% of the photographs and images delivered by ISRO's satellites are not used. Many of these images are needed both by the government and private sector especially for development of infra-structure like roads, airports and town planning.The report of the Comptroller and Auditor General of India (CAG) highlights that despite the abundance of data available...