With the festive season approaching, keeping a tab on your weight can be a little difficult. A few precautions can be taken to avoid gaining excessive weight, says an expert.Choose the menu wisely, offer guests a range of healthy snacks. Grilling instead of frying, and steaming vegetables to retain nutrients are handy ways to reduce fat intake. Using a low-calorie spray oil is also a great way to roast food in a healthier manner. Kajal Bhatia, Consultant Nutritionist at RAW Pressery have suggested ways to stay healthy this season