Among Indian states, Maharashtra has the highest GDP in dollars at $500 billion, data curated by India In Pixels shows. It is followed by Tamil Nadu ($333 billion), UP ($317 billion), Karnataka ($316 billion) and Gujarat ($312 billion). The lowest GDP is of Andaman & Nicobar Islands at $2 billion. Mizoram's GDP is $4 billion and Nagaland's is $5 billion.