New Delhi, Feb. 3 -- India plans to impose anti-dumping duties on ethambutol hydrochloride-a critical input used in tuberculosis (TB) medicines-to curb cheap imports from China and Thailand, according to a government order reviewed by Mint.

As per the order, the Directorate General of Trade Remedies (DGTR) in its preliminary investigation has found prima facie evidence that imports of ethambutol hydrochloride from China and Thailand were entering the Indian market at artificially depressed prices, causing material injury to the domestic industry. The DGTR functions under the Union commerce ministry's Department of Commerce.

As per commerce ministry data, imports of ethambutol hydrochloride from China and Thailand were negligible until F...