New Delhi: The national capital’s worsening air quality, now an annual occurrence, has pushed consumer goods makers to offer a host of products such as air purifiers, pollution masks, and immunity boosting supplements. Dabur India Ltd,…

New Delhi: The national capital’s worsening air quality, now an annual occurrence, has pushed consumer goods makers to offer a host of products such as air purifiers, pollution masks, and immunity boosting supplements. Dabur India Ltd,…