Analysis of information sources in references of the Wikipedia article "Operation Green Hunt" in English language version.
India's super-secret National Technical Reconnaissance organisation, or NTRO, operates a fleet of 12 Israeli-made Searcher tactical drones for surveillance of the vast forest tracts on the Andhra Pradesh-Orissa-Chhattisgarh border, home to the largest Maoist formations in the country. The expensive investment in remotely piloted reconnaissance assets has not, however, led to success in detecting hundreds-strong Maoist units.