The International Cricket Council has not announced plans to relocate T20 World Cup matches to alternative venues due to safety concerns over unpredictable bounce and two-paced pitches. As per a report, the Indian team has privately expressed dissatisfaction with the pitch conditions, citing safety concerns for their batters.
source https://timesofindia.indiatimes.com/sports/cricket/icc-mens-t20-world-cup/no-plans-to-shift-t20-world-cup-matches-from-nassau-county-stadium-despite-pitch-concerns-reports/articleshow/110764796.cms
source https://timesofindia.indiatimes.com/sports/cricket/icc-mens-t20-world-cup/no-plans-to-shift-t20-world-cup-matches-from-nassau-county-stadium-despite-pitch-concerns-reports/articleshow/110764796.cms