IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-8-51612 Original Research Paper Assessment Of Outcome With Respect To Non Invasive Ventilator In Type 1 And Type 2 Respiratory Failure In Intensive Care Unit Manglesh Gupta Dr. Dr. Piyu Jain Dr. August 2023 12 8 01 02