India completed a 3-0 whitewash over New Zealand in the three-match Test series after winning the final Test by 321 runs at Indore on Tuesday. Ravichandran Ashwin registered his Test career's sixth 10-for in a match and 21st five-wicket haul, in NZ's second innings. India is now unbeaten in 14 straight Test matches at home, their third-longest unbeaten run.