Researchers discover Dracaena cambodiana, India's first dragon blood-oozing tree in which of the following state?

Researchers discover Dracaena cambodiana, a dragon tree species in the Dongka Sarpo area of West Karbi Anglong dist in Assam. This is for the first time that a dragon tree species has been reported from India. Dragon tree species whose sap turns bright red after coming in contact with air.