What are some good tips to keep your body slim?

Sensible diet and proper exercise are the only solution to manage over-weight and obesity. One of the tenets of yoga is 'Mitahara', which means sensible diet and also that one should fill half the stomach with food, one quarter with water and the fourth quarter should be reserved for the movement of the air. The yogic asanas which are effective for managing over-weight are Sun Salutations (Surya Namaskara), Leg Rotation (Padachakrasana), Churning the Mill (Chakki Chalanasana), Rowing the Boat (Nauka Sanchalanasana), etc.