Sanctions for India by US over purchase of defense system from Russia?

Russia Ukraine war: The United States has been looking to whether to apply or waive sanctions on India for its purchase of the S-400 Triumf missile defence system from Russia.

source https://www.jagranjosh.com/current-affairs/sanctions-for-india-by-us-over-purchase-of-defense-system-from-russia-1646288483-1