38011000 under HS Code ARTIFICIAL GRAPHITE; COLLOIDAL OR SEMI-COLLOIDAL GRAPHITE; PREPARATIONS BASED ON GRAPHITE OR OTHER CARBON IN THE FORM OF PASTES, BLOCKS, PLATES OR OTHER SEMI-MANUFACTURES ARTIFICIAL GRAPHITE, 90261090 under HS Code INSTRUMENTS AND APPARATUS FOR MEASURING OR CHECKING THE FLOW, LEVEL, PRESSURE OR OTHER VARIABLES OF LIQUIDS OR GASES (FOR EXAMPLE, FLOW METERS, LEVEL GAUGES, MANOMETERS, HEAT METERS), EXCLUDING INSTRUMENTS AND APPARATUS OF HEADING 9014, 9015, 9028 OR 9032 - FOR MEASURING OR CHECKING THE FLOW OR LEVEL OF LIQUIDS: OTHER, and 90328990 under HS Code AUTOMATIC REGULATING OR CONTROLLING INSTRUMENTS AND APPARATUS - OTHER INSTRUMENTS AND APPARATUS: - OTHER: OTHER. were the top exported HS Codes by LAKSHMI VACUUM TECHNOLOGIES PRIVATE LIMITED in 2021.