The ultimate guide to Indian coffee -n When you head to the South Indian states, you can hardly move for the number of businesses, farms, and people that form part of the country’s extensive coffee trade. Venture to Kerala, Karnataka or Tamil Nadu and you will be right in the heart of the coffee country, and you won’t struggle to find people willing to sell you a fresh brew and tell you the story of the coffee’s journey from mud to mug. Estimates suggest that as many as a quarter of a million people in the country work directly as coffee growers, while millions upon millions are employed up and…