Actress Alia Bhatt made heads turn recently with the luminous, muted-gold saree she wore for a laid-back Diwali celebrations at home. In fact, two of my friends have embraced natural dyes and handlooms.” Reds and yellows from nature Explaining the early origins of such dyes, Nallari says: “The concept is not new. Venkat Gaddam, a fashion designer, says: “Natural dyes …