Training on the eve of the match at Emirates Old Trafford has been cancelled following the development. Reports in India suggest the Test could be pulled
India's preparations for the fifth LV=Insurance Test against England have been plunged into disarray after another positive Covid-19 case emerged within the camp.
Assistant physiotherapist Yogesh Parmar has been placed in isolation and all players have undergone a fresh round of tests, with results due to follow on Thursday evening.
Training on the eve of the game has been cancelled with players told to remain in their hotel rooms until further notice, according to ESPNCricinfo.
Head coach Ravi Shastri, bowling coach Bharat Arun and fielding coach R Sridhar have not travelled to Manchester after testing positive during The Kia Oval Test.
Team physiotherapist Nitin Patel was identified as a close contact but has returned a negative PCR allowing him to be with the team.
It remains to be seen what impact the latest positive case has on the staging of the Test.
The Times of India understand talks are ongoing between the ECB and the BCCI regarding the remainder of the series. India lead 2-1 with one match to play.
England are proceeding as normal with no additional testing in place as a result of the development.
Recalled wicketkeeper-batter Jos Buttler said: "We don't know too much at the moment. We're fully expecting the game to go ahead. We're preparing to play tomorrow and fingers crossed it will go ahead.
"All fine in our camp. We trained well this morning and looking forward to the game tomorrow."
Follow the end of the Test players from both sides are due to fly to the United Arab Emirates for the resumption of the Indian Premier League on September 17, which is quickly followed by the men's T20 World Cup.
India cancelled their scheduled media conference on Thursday, while the ECB declined to comment.