Thakur is the 294th Test player for India and replaced Mohammad Shami in this Test. Shami, according to Kohli, was rested after playing six consecutive matches in the longer version.
The insane fan broke through the security in Hyderabad as the West Indies batted to open up the second Test, and managed to get a selfie with the Indian skipper before attempting to go one step further.
The tourists lost three wickets in the morning session and were reeling at 113 for five after lunch, a poor effort on a flawless batting strip and against an opposition rendered one bowler short following Shardul Thakur's injury in the morning.
The West Indies was in peril again at 113/5 and 182/6, but Chase and captain Jason Holder rescued them with a 104-run stand.
Holder gloved an Umesh bouncer behind late in the day, leaving Chase and Devendra Bishoo (2no) to steer Windies through to stumps.More news: Trump's stunned silence as Kanye rants in White House
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It was a combination of Powell's recklessness and Ravichandran Ashwin's guile which led to the first dismissal.
Like in their defeat in the Rajkot series-opener, the West Indies batsmen were confounded by Kuldeep's left-arm wrist-spin and both Shimron Hetmyer and Sunil Ambris were dismissed by well-disguised googlies.
Despite much of the top order gone, Chase didn't panic as he set about rebuilding with Holder, who matched him for strokes.
India's debuting seamer Shardul Thakur lasted just 10 deliveries before he hobbled off with a groin strain but the hosts bossed the early proceedings, with Kuldeep Yadav (3-74) striking three times. The extent of Thakur's injury and his further participation in the match is yet to be ascertained.