Section 34AB, Category IV covers Plant and Machinery — all movable assets of a production or business nature. This is the broadest single registered valuer category in the Income Tax Act’s framework, encompassing a wide spectrum of industrial, commercial and specialised equipment.
Get Expert Advice →From factory-floor machinery to medical, pharmaceutical, electrical and transport assets.
Category IV extends across production equipment, utilities, specialised assets and movable business equipment requiring technically grounded valuation.
CNC machining centres, lathes, milling machines, grinding machines, hydraulic, mechanical and pneumatic presses, injection moulding machines, extrusion lines, blow moulding, thermoforming, packaging lines and conveyors.
PRODUCTION EQUIPMENTPower transformers from 11 kV to 132 kV, distribution transformers, HT/LT switchgear, bus ducts, capacitor banks, UPS systems, DG sets and captive power plant equipment.
POWER & ELECTRICALScroll and centrifugal chillers, cooling towers, AHUs, screw, reciprocating and centrifugal compressors, boilers, ETP equipment and WTP equipment.
UTILITIES & SERVICESTower cranes, mobile cranes, crawler cranes, excavators, bulldozers, motor graders, road rollers, concrete batching plants, transit mixers and concrete pumps.
HEAVY EQUIPMENTCT scanners, MRI machines, digital and conventional X-ray systems, ultrasound, mammography, PET/CT, radiotherapy linear accelerators, operating theatre equipment, laboratory analysers and ICU equipment.
MEDICAL ASSETSAPI reactor vessels, glass-lined and SS316L equipment, fluidised-bed and high-shear granulators, tablet compression machines, capsule filling, coating machines, sterile filling lines and lyophilisers.
PHARMA EQUIPMENTRack, blade and tower servers, SAN and NAS storage systems, networking equipment, CRAC and CRAH precision cooling, data-centre UPS systems and power distribution units.
DIGITAL INFRASTRUCTUREPassenger cars, LCVs, HCVs including trucks, trailers and tankers, buses, forklifts, reach stackers and other material handling equipment.
VEHICLE ASSETSWhether the asset is industrial machinery, electrical equipment, medical technology, pharmaceutical equipment, IT infrastructure or a motor vehicle, the valuation approach must reflect its actual category and use.