Tratak is a Yogic practice that involves concentrated gazing at a candle. This ancient technique has been used for centuries to enhance your concentration and mental clarity. For students, Tratak offers a powerful tool to improve academic performance, reduce stress and cultivate inner peace. Method of practice 1. Sit in any comfortable meditative posture (or on a chair), keeping the head and body erect. 2. Light a candle and keep it 16 to 20 inches away; the tip of the flame just below eye level