Preksha meditation (Preksa Dhyana) is a popular meditation technique of Jainism for bringing about a change in behavior, modifying and bringing about an integrated development of personality. It is based on the wisdom of ancient philosophy and has been formulated in terms of modern scientific concept. The main aim of the practice of preksa dhyana is purification of emotions, psyche, consciousness and realization of the self. When the mind is cleansed peace of mind automatically surfaces. Balance of mind, equanimity and the state of well-being are also experienced simultaneously. The speciality of this process is; it is a holistic approach proved by scientific experiments. Acharya Tulsi & Acharya Mahapragya was the pioneer to lay the foundation for the revival of this ancient art of Meditation. Through this monograph, the author has presented every aspect of 'Preksha Meditation' with scientific and psychological analysis.