This may take few days to few weeks depending on your health, flexibility and strength. (yogicwayoflife.com)
Most practitioners need few days to few weeks to reach this stage. (yogicwayoflife.com)
Nowadays, doctors especially during winters advise their patients with respiratory problem to either move to a pollution - free area or stay away from the pollution of metros for few days to few weeks. (treetopgreens.com)