br Mystery spinner Varun Chakravarthy’s participation in the upcoming home T20I series against England is in doubt as he has not done in the fitness tests, according to a report in Cricbuzz.The new fitness benchmarks require players to either complete a 2 km run in 8.5 minutes or scoring 17.1 in the Yo-Yo test.Varun was earlier picked in the T20I squad for the tour of Australia as well, on the back of impressive performances in the IPL 2020 for Kolkata Knight Riders.