Yoga is a holistic discipline, same as Japanese "Dou" or 「道」.
Its a sadhna; We have classified yogis in 3 types.
These belts changes every month depending on number of days a yogi practice Yoga.
KESARI BELT YOGI
More than 20 Days / Month
WHITE BELT YOGI
More than 10 Days / Month
GREEN BELT YOGI
Less than 10 Days / Month