Meditation is the essence of spiritual life. It is our mental attitude which brings in thoughts and shows us a positive outlook of life. Lots of patience is required to perform meditation. So everyone of us should do mediation to maintain positive attitude towards life. Performing mediation during stressful times in our life will make a big difference. There are many methods of meditation to keep the mind strong and for spiritual discipline. There has been a dramatic increase in the past 20 years on the impact of meditation upon one's health. There are various potential positive effects such as brain activity during meditation, brain waves during meditation, meditation and perception, sleep and elevation of positive emotions and outcomes, and positive behavior have been noted in the previous studies. In this book authors have reported a number of research based on various styles of meditation techniques: Insight meditation, Kundalini yoga meditation, Integrative body-mind training, Mantra Meditation, Non-referential compassion meditation, Mental Silence, Transcendental Meditation, Muraqabah and Tasbih meditation. Relaxation and different meditation techniques including bio-feedback, shavasana, vipasana, sudarshan kriyas, devotional songs etc. are of immense use in maintaining positive mental health. This book focuses on the relevance of psychology of meditation as a practical solution to improve the health-related quality life. We think meditative techniques suggested in this book are genuine in the sense that believers usually experience it. Readers may see what the general path is and the content this book reflects. It generates meaningful solutions of the physical, social , emotional, mental, and spiritual problems. This book will be useful for the students of psychology, social work and health caregivers.