What is Pranayama | How it works | Benefits & Types of Pranayama

What is Pranayama? How it works, benefits and types of pranayama.I have got this understanding after attending several courses, retreats, knowledge sessions, experience, experimentation and observation.I would like to express my gratitude to all the organizations that have helped me to gain this understanding. Below are the names of few of them:1. Patanjali Yogpeeth2. Art of living3. Isha 4. Gaia.com5. Iyengar YogHope this helps you in getting better understanding of Pranayama.