drones to various parts of the country.Indian Council of Medical Research (ICMR), one of the premier institutions at the forefront of India's fight against coronavirus, had conducted a successful feasibility test in collaboration with Indian Institute of Technology, Kanpur.Finding merit in the prospect, HLL Infra Tech Services, a Miniratna PSU tasked with procuring vaccines for central government, has invited bids for delivering medical supplies using unmanned aerial vehicles (UAVs) to remote locations with difficult terrain, on behalf of ICMR.HLL Infra Tech said the objective of the venture is to develop a medical supply network using drones to ensure delivery of vaccines and other medical essentials to remote, inaccessible areas in.