India Women secured a commanding 30-run victory over Sri Lanka in the fourth T20I, taking a 4-0 lead in the five-match series. Smriti Mandhana and Shafali Verma set a record-breaking 162-run opening partnership, with Mandhana scoring 80 and Verma 79. India posted their highest T20I total of 221/2, aided by Richa Ghosh's unbeaten 40. Sri Lanka's chase fell short despite an intentful start.