India secured a 30-run victory against Sri Lanka in the fourth women's T20I, taking a 4-0 lead in the series. Captain Harmanpreet Kaur expressed concern over the team's slow over-rate during the match, urging bowlers to speed up to avoid penalties. Smriti Mandhana and Shafali Verma set a record partnership, contributing significantly to India's win. Kaur indicated potential team changes for the final match.