That's it for England!
Shami, surprisingly denied the new ball by Kohli, did trouble both of England´s second-wicket duo outside their respective off-stumps without taking a wicket in the opening session of this five-match series.
Only Cook fell in the first session, his front-foot defence defeated by a flawless off-break from Ashwin - repaying his introduction in only the seventh over, despite being India's sole spinner here, with telling drift from round the wicket before the ball turned and dislodged the off-bail.
Just prior to Cook's dismissal, fellow left-hander Jennings was dropped on nine off the bowling of Ishant Sharma when Ajinkya Rahane, diving across from fourth slip, failed to hold a tough chance.
England's Keaton Jennings looked to play down the incident after stumps - "Everybody is entitled to celebrate how they want to".More news: Transfer: Bayern Munich manager takes decision on Lewandowski's future
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The opener, who made 42 before playing on to Mohammed Shami, said: "There has been a missed opportunity for us but after 88 overs there was still quite a bit of lateral movement".
England captain Joe Root and India captain Virat Kohli. Root, along with wicketkeeper-batsman Jonny Bairstow, steered the home side away from danger as they partnered a 100-run stand between them to shift the momentum and the control of the match back England's way.
Root was extremely disappointed to fall 20 runs short of his 14th test century, but he achieved a notable milestone, displacing Alastair Cook as England's quickest to 6,000 runs in this format.
Indian captain Virat Kohli will be looking to quickly wrap up England's innings in the first session of the Day 2.
As Root stormed off Kohli celebrated by blowing a kiss before mouthing some fruity advice, putting his finger to his lips and adding a "mic-drop" mime to mock Root's gesture last month after clinching the one-day series at Headingley with a second successive hundred. Day 1 started well for the hosts, but Ravichandran Ashwin led India's fightback with four wickets as England were reduced to 285-9 at the end of the day. But once Root lost his wicket at the score of 80 runs, the English middle order fell like a house of cards and the chief architect of it was Ravichandran Ashwin.