During a lockdown, or emergency, when every resident is ordered to stay indoors, an entire army of invisible warriors must continue to work to keep cities alive. It is critical to ensure that there is enough supply of materials, including surgical masks, disinfectant, protective suits and safety goggles for the frontline medical workers, vegetables, groceries, meats for common people. It is the state's duty to ensure that this invisible army of people can get to their place of work, which is why empty Metro trains and buses plied the entire day for these 'civilian soldiers'.

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