India, Nov. 11 -- Air pollution is a major cause of concern in India around this time of the year. But it's not just the outdoor air quality that we need to worry about, it's also the indoor air quality that is a cause of concern. Dust, smoke, pet dander, pollen, fine particulate matter and pollution from outside can all find their way indoors and impact the quality of air we breathe inside our homes. This is where an air purifier becomes important.

These appliances not only filter out pollution causing agents found indoors but also the ones that are found outdoors and impact the indoor air quality. However, with so many brands offering different filtration technologies, smart features and price points, figuring out which one deserves a ...