India's enormous garment sector churns out billions of dollars' worth of new clothes each year. Still, some local fashion lovers are switching to secondhand to assuage worries about the industry's environmental impact. It is a tiny drop in a massive ocean, but hipster shoppers in the capital New Delhi say their example is slowly shifting the throwaway attitudes rampant among India's middle class. New Delhi is dotted with markets offering secondhand clothes, a thrifty alternative for those on low wages -- or making an ethical choice. Here is a look at the trend that may catch up slowly but steadily in India.