High intensity interval training will be administered three days a week for 8 weeks. six series with 3 minutes rest period between series. For first 4 weeks the series would consist of 30 seconds of exercise and 30 seconds rest. exercises will consist of burpees, skipping, lunges, 1-legged squat, leg lever, push ups. for next four weeks the duration of exercise will be 45 seconds followed by 30 seconds recovery.

Yoga will be administered 3 days a week for 8 weeks. the session would be of 30-50 minutes with 5 minutes breathing followed by 15-35 minutes yoga and 10 minutes supine meditation. cat-cow stretch, child's pose, downward dog, plank, cobra pose will be used.

HIIT 3 times a week for 8 weeks. For week 1 to 4 , Warm up 5 minutes jogging in place, 6 series of 30 seconds Burpees, 30 seconds recovery, 30 seconds skipping, 30 seconds recovery, 30 seconds lunge, 30 seconds recovery, 30 seconds 1-legged squats, 30 seconds recovery, 30 second leg levers, 30 seconds recovery. the series will have 3 minutes rest in between. Cool down of 10 minutes with gentle stretches.

For week 5 to 8 , Warm up 5 minutes jogging in place, 6 series of 45 seconds Burpees, 45 seconds recovery, 45 seconds skipping, 30 seconds recovery, 45 seconds lunge, 30 seconds recovery, 45 seconds 1-legged squats, 30 seconds recovery, 45 second leg levers, 30 seconds recovery. the series will have 3 minutes rest in between. Cool down of 10 minutes with gentle stretches.

changes from baseline The numeric pain rating scale (NPRS) is a 10 points scale on which, zero represent no pain, 1 to 3 represent mild pain, 4 to 7 represent moderate and pain score between 7 and 10 were considered to be a severe form of pain.[](streamdown:incomplete-link)

The 13-item scale measures the extent to which participants worry, amplify, and feel helpless about the experience of pain on a five-point (0-4) scale. Total scores range from 0 to 52, with higher scores indicating greater pain catastrophizing.