Stokes has just returned to the team after a spell out for mental-health reasons.
Former England captains Michael Vaughan and Mike Atherton felt that Stokes -- presently nursing a knee injury -- can take the England job with an easy conscience.
The English cricket team is in disarray, with what can only be described as its winter of discontent capped by a 10-wicket loss to the West Indies.
Mahmood, playing his second test and batting for the first time, was the last man out for 49 with two balls left in the day, while Leach racked his second-best test score, an unbeaten 41.
Root improved from 119 overnight to 153, but played second fiddle to Stokes, who dominated their stand of 129 as he made a belligerent 120 from 128 balls on Thursday.
More than 1,200 cricketers from India and 18 countries across the world have registered to go under the hammer in Bangalore on February 12 and 13.
Stokes had an underwhelming Ashes, having scored only 236 runs and picking only four wickets in England's 0-4 thrashing at the hands of Australia.
Ben Stokes had a reprieve on nine when Pat Cummins put down a sharp return catch which would have left the tourists five down for less than 50 runs.
Root and Silverwood have faced sharp criticism following England's dismal show in the ongoing Ashes series, which the visitors trail 0-3.
Set 486 runs to win at the Adelaide Oval, England was 142-6 after the opening session on the fifth day of the second Ashes Test.
Allrounder Ben Stokes will stand in as captain as the tourists seek to avoid defeat in Adelaide and go two-nil down in the five-Test series.
Australia are a perfect eight from eight as they go into the pink-ball test against England beginning Thursday at the Adelaide Oval.
Stokes suffered the injury during the 29th over of the first Ashes Test when he was chasing a ball to the boundary.
Cricket Australia said a technology problem at the Gabba meant that the third umpire, Paul Wilson, couldn't review TV replays of every delivery to check if bowlers were over-stepping the crease.
The 30-year-old Stokes is returning from an indefinite break from all cricket, that he took in July to prioritise his mental well-being and rest a fractured finger.