What called dong quai in Hindi?

Dong quai is called "चुकंदर" (Chukandar) in Hindi. It's also known as "सांगु" (Sangu), which is more specific to the Chinese herbal term.

Keep in mind that these are just the common names. If you're looking for Dong Quai for medicinal purposes, it's best to consult a qualified Ayurvedic practitioner.