JOE ROOT and Jonny Bairstow made half-centuries but England are still staring down the barrel of defeat in the Fourth Test.Root was lbw for 77 while Yorkshire team-mate Bairstow finished day four with 50 not out.But England suffered a savage blow in the final 15 minutes when Ben Stokes was caught at slip via his boot as he attempted a reverse sweep. Keep up to date with ALL the latest cricket news, gossip and rumours Then, to the last delivery of an action-packed fourth day, nightwatchman Jake Ball was caught behind.England finished with 182-6 in their second innings – still 49 runs short of making India bat again.Earlier, Indian skipper Virat Kohli made a brilliant double-century and No.9 Jayant Yadav scored his maiden Test hundred.When England batted a second time 231 runs behind, Keaton Jennings experienced the extraordinary roller-coaster ride of international sport when he was dismissed for a golden duck.Durham opener Jennings’ first-ball dismissal came just three days after he entered the fairytale world of scoring a century in his first international innings.Jennings was trapped lbw by an inswinger from Bhuvneshwar Kumar as England began their second innings of the Fourth Test a total of 231 runs behind.Then, not for…