Decoded: What is the 'Mumbai Model' of Covid management that court lauded?

A step that Mumbai hospitals implemented on the task force's recommendations was ways to optimise the use of oxygen

With over 56,000 active Covid-19 cases, Mumbai counts as amongst the worst affected cities in the country. But on Wednesday the municipal administration of Mumbai came in for praise from the Supreme Court while it was hearing a matter on oxygen shortage in Delhi.
 
“Municipal Corporation of Greater Mumbai (MCGM) has done a remarkable job. Without any disrespect to the Delhi government, can it take a leaf out of Mumbai’s experience in maintaining oxygen supply and its optimum utilisation?” a bench of Justices D Y Chandrachud and M R Shah remarked.
 
The second wave in Delhi has been