The Indian retail industry is on the verge of a revolution with savvy apparel businesses in line for anywhere up to $250m - $500m in sales according to a report published by leading consultancy McKinsey.India is lagging behind other developing economies, said the report. In many of these countries, the organised retail segment (including apparel and food) already has a 40 per cent share of the market compared with India's two per cent. But the situation is already beginning to change.