The visitors took a 2-1 series lead after wrapping up a seven-wicket victory over India at Eden Gardens, despite nerves leaving them eight for three at the start of the second innings.
England survive late wobble to wrap up third Test win over India
Ravichandran Ashwin (91no) remained undefeated after his valiant resistance last night, but on the final day it took James Anderson (three for 38) only four balls to see off number 11 Pragyan Ojha as India were bowled out for 247 in their second innings.
England were left needing only 41 for a thoroughly-deserved victory, yet then stumbled to eight for three against the spin of Ashwin and Ojha before they got over the line.
Ian Bell and Nick Compton settled the nerves and the issue, and England can therefore no longer lose this series.
For India, it was a first defeat since the last millennium at this famous venue, and England will become the first tourists since 2004 to win a Test series here if they can at least draw the last match in Nagpur.
"It was a great performance level for four and a half days," said Alastair Cook, the England captain, afterwards.
"Everyone performed from one to 11 and that's what you need in these conditions.
"Our bowlers, on the first day, to keep India to 300 on that wicket was a fantastic effort.
"And after the start they got [in the second innings] to get six wickets in that session yesterday really won us the game. It was a credit to the hard work they've put in that they can perform in these conditions."
After dominating the first three days thanks to captain Alastair Cook's batting and Anderson and Monty Panesar's bowling, they endured a chastening first session yesterday but then took six wickets for only 36 runs in the afternoon.
Only Ashwin delayed them, as 88 runs were added for the last two wickets and prevented England finishing the game inside four days.
The number eight immediately counted two more boundaries this morning too, a high-class back-foot force past cover and a vicious pull past midwicket off Steven Finn.
But in the second over, Anderson snaked one into left-hander Ojha from round the wicket and - even while he was appealing for caught-behind - belatedly noticed he had in fact dislodged the off-bail to at last end a last-wicket stand of exactly 50.
Ashwin had been denied a second Test century, but got his own back when Cook came down the wicket to him in the first over of England's mini-chase and was stumped for only the second time in his first-class career.
But the previously out-of-form Bell, in particular, had other ideas.
India captain Mahendra Singh Dhoni cited yesterday's "landslide" of wickets as the moment which cost his side the match.
"In the second innings, we started losing wickets and it was like a landslide we couldn't stop," he said. "That's where we lost the game.
"We got off to a very good start, we were batting really well but we started losing wickets and nobody was able to soak up the pressure."
Dhoni challenged his players to bounce back.
"We have been in situations like this," he said. "Everybody needs to pull up their socks, give their best, back each other and enjoy the game because it is difficult but that's where you show your character."
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