The air quality in Indian cities tends to be poor all around the year. But matters get worse in October-November as stubble burning affects many parts of north India. With the advent of winter, the moist and heavy air traps pollutants and does not allow them to disperse. This compounds the difficulties of people with respiratory ailments. This year families are confined indoors due to the pandemic. The desire to escape infection from all kinds of bacteria, virus and allergens and keep one’s respiratory system in the best possible shape has become a paramount concern. All these factors have led

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