A worker takes a nap inside a shop selling potatoes at a wholesale vegetable market in Delhi February 12, 2015. India's annual consumer inflation INCPIY=ECI accelerated to 5.11 percent in January from 4.28 percent a month ago, after New Delhi shifted to a new base year for calculating prices, government data showed on Thursday. REUTERS/Anindito Mukherjee (INDIA - Tags: FOOD BUSINESS)