Rangana Herath, former Sri Lankan cricketer, credits New Zealand's 3-0 Test series win in India to their focus on accountability and incremental progress. He contrasts this with Sri Lanka's past struggles in India, highlighting New Zealand's meticulous approach and smart cricket. Herath also discusses Ashwin's retirement and Jadeja's different spin bowling style, praising both players' careers. He emphasizes the importance of adapting to different pitches and conditions.