Lie flat on your back and keep the legs straight and breath deeply and rhythmically. Inhale slowly and lift the legs and bend in the knee. Bring upwards to the chest till your thigh touches to stomach Hug your knees in place and lock your fingers. Try to touch the knee with your nose tip. This is not easy in first time. But regular practice you can do this. Hold this position for about a minute. Now exhale slowly and come back to the original position.
This is very beneficial for stomach abs. The results are very impressive. Repeat this five times with a 15-second break between each pose.