According to the article, this isn't the first time a Senate Democrat has insulted Indian Americans. The Hotline, which posted the CSPAN video that caught Biden's comments, got this response from Biden's camp:
"The point Senator Biden was making is that there has been a vibrant Indian American community in Delaware for decades. It has primarily been made up of engineers, scientists and physicians, but more recently, middle class families are moving into Delaware and purchasing family-run small businesses. These families have greatly contributed to the vibrancy of the Indian American community in Delaware and are making a significant contribution to the national economy as well. Senator Biden has tremendous admiration for the Indian American community. They have enjoyed a long-standing relationship of mutual support and respect."Pretty poor choice of words to make your point, Joe. It doesn't look like he's going to apologize: Biden Defends Remarks