The air quality of Darjeeling has been found to be below the average national standard during summer and winter, with the results of a 13-year-long research busting the myth that the hill air is always pollution-free.
The air quality of Darjeeling has been found to be below the average national standard during summer and winter, with the results of a 13-year-long research busting the myth that the hill air is always pollution-free.