West Indies made 209 for two off their 20 overs with Gayle unbeaten on 85 and Pollard making 63 not out in a partnership of 108.
New Zealand were then bowled out for 153 in the 19th over with opener Rob Nicol top-scoring with 32.
Photos: Huma Qureshi spotted at Mumbai airport
20 Oscar facts: Interesting trivia about the Academy Awards
Photos: Alia Bhatt, Sunny Deol at an event in Mumbai
Pics: Anita Hassanandani, Ragini Khanna, Krystle D'Souza at event
Photos: Akshay Kumar, Taapsee Pannu promote 'Naam Shabana'
Kalki is ready with her 'Mantra'!
Did Nana reveal the climax of his film 'Wedding Anniversary'?
Is it difficult for girls to woo Vidyut Jammwal?
Exclusive: Has Kangana finally found her lifetime companion?