90303310 under HS Code OSCILLOSCOPES, SPECTRUM ANALYSERS AND OTHER INSTRUMENTS AND APPARATUS FOR MEASURING OR CHECKING ELECTRICAL QUANTITIES, EXCLUDING METERS OF HEADING 9028; INSTRUMENTS AND APPARATUS FOR MEASURING OR DETECTING ALPHA, BETA, GAMMA, X-RAY, COSMIC OR OTHER IONISING RADIATIONS - OTHER INSTRUMENTS AND APPARATUS, FOR MEASURING OR CHECKING VOLTAGE, CURRENT, RESISTANCE OR POWER: -- OTHER, WITHOUT A RECORDING DEVICE:AMMETERS, VOLT METERS AND WATT METERS, 85049090 under HS Code ELECTRICAL TRANSFORMERS, STATIC CONVERTERS (FOR EXAMPLE, RECTIFIERS) AND INDUCTORS - OTHER INDUCTORS: -PARTS : OTHER, and 84248990 under HS Code MECHANICAL APPLIANCES (WHETHER OR NOT HANDOPERATED) FOR PROJECTING, DISPERSING OR SPRAYING LIQUIDS OR POWDERS; FIRE EXTINGUISHERS, WHETHER OR NOT CHARGED; SPRAY GUNS AND SIMILAR APPLIANCES; STEAM OR SAND BLASTING MACHINES AND SIMILAR JET PROJECTING MACHINES- OTHER APPLIANCES: OTHER: OTHER. were the top exported HS Codes by WORLDREF TECHNOLOGIES PRIVATE LIMITED in 2023.