Dadra and Nagar HaveliPronunciation: /ˈdɑːdrə, ˌnɑːgə həˈveɪli/Definition of Dadra and Nagar Haveli a Union Territory in western India, on the Arabian Sea; population 303,200 (est. 2009); capital, Silvassa. Dadra and Nagar Haveli in other Oxford dictionaries Definition of Dadra and Nagar Haveli in the US English dictionary