IMD issues red alert for severe heatwaves in Delhi NCR and North India, providing tips to manage diabetes during extreme heat, preventing dehydration and heat-related illnesses. IMD issues red alert for severe heatwaves in Delhi NCR and North India, providing tips to manage diabetes during extreme heat, preventing dehydration and heat-related illnesses. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle