| Nature of assets | Useful Life |
| I. | Buildings [NESD] | |
| (a) Buildings (other than factory buildings) RCC Frame Structure | 60 Years |
| (b) Buildings (other than factory buildings) other than RCC Frame Structure | 30 Years |
| (c) Factory buildings | -do- |
| (d) Fences, wells, tube wells | 5 Years |
| (e) Others (including temporary structure, etc.) | 3 Years |
| II. | Bridges, culverts, bunders, etc. [NESD] | 30 Years |
| III. | Roads [NESD] | |
| (a) Carpeted roads | |
| | 10 Years |
| | (ii) | | Carpeted Roads—other than RCC | | 5 Years |
| (b) Non-carpeted roads | 3 Years |
| IV. | Plant and Machinery | |
| (i) General rate applicable to plant and machinery not covered under special plant and machinery | |
| | (a) | | Plant and Machinery other than continuous process plant not covered under specific industries | | 15 Years |
| | [(b) | | Continuous process plant for which no special rate has been prescribed under (ii) below [NESD] | | 25 Years] |
| (ii) Special Plant and Machinery | |
| | (a) | | Plant and Machinery related to production and exhibition of Motion Picture Films | | |
| | 1. | | Cinematograph films—Machinery used in the production and exhibition of cinematograph films, recording and reproducing equipments, developing machines, printing machines, editing machines, synchronizers and studio lights except bulbs | | 13 Years |
| | 2. | | Projecting equipment for exhibition of films | | -do- |
| | (b) | | Plant and Machinery used in glass manufacturing | | |
| | 1. | | Plant and Machinery except direct fire glass melting furnaces — Recuperative and regenerative glass melt-ing furnaces | | 13 Years |
| | 2. | | Plant and Machinery except direct fire glass melting furnaces — Moulds [NESD] | | 8 Years |
| | 3. | | Float Glass Melting Furnaces [NESD] | | 10 Years |
| | (c) | | Plant and Machinery used in mines and quarries—Portable under ground machinery and earth moving machinery used in open cast mining [NESD] | | 8 Years |
| | (d) | | Plant and Machinery used in Telecommunications [NESD] | | |
| | 18 Years |
| | 2. | | Telecom transceivers, switching centres, transmission and other network equipment | | 13 Years |
| | 3. | | Telecom—Ducts, Cables and optical fibre | | 18 Years |
| | -do- |
| | (e) | | Plant and Machinery used in exploration, production and refining oil and gas [NESD] | | |
| | 25 Years |
| | 2. | | Oil and gas assets (including wells), processing plant and facilities | | -do- |
| | -do- |
| | 4. | | Storage tanks and related equipment | | -do- |
| | 30 Years |
| | -do- |
| | 7. | | Field operations (above ground) Portable boilers, drilling tools, well-head tanks, etc. | | 8 Years |
| | -do- |
| | (f) | | Plant and Machinery used in generation, transmission and distribution of power [NESD] | | |
| | 1. | | Thermal/Gas/Combined Cycle Power Generation Plant | | 40 Years |
| | 2. | | Hydro Power Generation Plant | | -do- |
| | 3. | | Nuclear Power Generation Plant | | -do- |
| | 4. | | Transmission lines, cables and other network assets | | -do- |
| | 5. | | Wind Power Generation Plant | | 22 Years |
| | 6. | | Electric Distribution Plant | | 35 Years |
| | 7. | | Gas Storage and Distribution Plant | | 30 Years |
| | 8. | | Water Distribution Plant including pipelines | | -do- |
| | (g) | | Plant and Machinery used in manufacture of steel | | |
| | 20 Years |
| | -do- |
| | -do- |
| | 4. | | Rolling mill in steel plant | | -do- |
| | 5. | | Basic oxygen Furnace Converter | | 25 Years |
| | (h) | | Plant and Machinery used in manufacture of non-ferrous metals | | |
| | 40 Years |
| | 2. | | Bauxite crushing and grinding section [NESD] | | -do- |
| | 3. | | Digester section [NESD] | | -do- |
| | -do- |
| | 5. | | Equipments for Calcination [NESD] | | -do- |
| | -do- |
| | 40 Years |
| | 30 Years |
| | -do- |
| | -do- |
| | 11. | | Equipments for Scalping, Slitting, etc. [NESD] | | -do- |
| | 12. | | Surface Miner, Ripper Dozer, etc., used in mines | | 25 Years |
| | 13. | | Copper refining plant [NESD] | | -do- |
| | (i) | | Plant and Machinery used in medical and surgical operations [NESD] | | |
| | 1. | | Electrical Machinery, X-ray and electrotherapeutic apparatus and accessories thereto, medical, diagnostic equipments, namely, Cat-Scan, Ultrasound Machines, ECG Monitors, etc. | | 13 Years |
| | 15 Years |
| | (j) | | Plant and Machinery used in manufacture of pharmaceuticals and chemicals [NESD] | | |
| | 20 Years |
| | -do- |
| | 3. | | Drying equipments/Centrifuges and Decanters | | -do- |
| | -do- |
| | (k) | | Plant and Machinery used in civil construction | | |
| | 1. | | Concreting, Crushing, Piling Equipments and Road Making Equipments | | 12 Years |
| | 2. | | Heavy Lift Equipments— | | |
| | | Cranes with capacity of more than 100 tons | | 20 Years |
| | | Cranes with capacity of less than 100 tons | | 15 Years |
| | 3. | | Transmission line, Tunneling Equipments [NESD] | | 10 Years |
| | 4. | | Earth-moving equipments | | 9 Years |
| | 5. | | Others including Material Handling /Pipeline/Welding Equipments [NESD] | | 12 Years |
| | (l) | | Plant and Machinery used in salt works [NESD] | | 15 Years |
| V. | Furniture and fittings [NESD] | |
| (i) General furniture and fittings | 10 Years |
| (ii) Furniture and fittings used in hotels, restaurants and boarding houses, schools, colleges and other educational institutions, libraries; welfare centres; meeting halls, cinema houses; theatres and circuses; and furniture and fittings let out on hire for use on the occasion of marriages and similar functions. | 8 Years |
| VI. | Motor Vehicles [NESD] | |
| 1. Motor cycles, scooters and other mopeds | 10 Years |
| 2. Motor buses, motor lorries, motor cars and motor taxies used in a business of running them on hire | 6 Years |
| 3. Motor buses, motor lorries and motor cars other than those used in a business of running them on hire | 8 Years |
| 4. Motor tractors, harvesting combines and heavy vehicles | -do- |
| 5. Electrically operated vehicles including battery powered or fuel cell powered vehicles | 8 Years |
| VII. | Ships [NESD] | |
| 1. Ocean-going ships | |
| | (i) | | Bulk Carriers and liner vessels | | 25 Years |
| | (ii) | | Crude tankers, product carriers and easy chemical carriers with or without conventional tank coatings | | 20 Years |
| | (iii) | | Chemicals and Acid Carriers : | | |
| | (a) | | With Stainless steel tanks | | 25 Years |
| | 20 Years |
| | (iv) | | Liquified gas carriers | | 30 Years |
| | (v) | | Conventional large passenger vessels which are used for cruise purpose also | | -do- |
| | (vi) | | Coastal service ships of all categories | | -do- |
| | (vii) | | Offshore supply and support vessels | | 20 Years |
| | (viii) | | Catamarans and other high speed passenger for ships or boats | | -do- |
| | 25 Years |
| | 15 Years |
| | (xi) | | Fishing vessels with wooden hull | | 10 Years |
| | (xii) | | Dredgers, tugs, barges, survey launches and other similar ships used mainly for dredging purposes | | 14 Years |
| 2. Vessels ordinarily operating on inland waters— | |
| | 13 Years |
| | 28 Years |
| VIII. | Aircrafts or Helicopters [NESD] | 20 Years |
| IX. | Railways sidings, locomotives, rolling stocks, tramways and railways used by concerns, excluding railway concerns [NESD] | 15 Years |
| X. | Ropeway structures [NESD] | 15 Years |
| XI. | Office equipment [NESD] | 5 Years |
| XII. | Computers and data processing units [NESD] | |
| (i) Servers and networks | 6 Years |
| (ii) End user devices, such as, desktops, laptops, etc. | 3 Years |
| XIII. | Laboratory equipment [NESD] | |
| (i) General laboratory equipment | 10 Years |
| (ii) Laboratory equipments used in educational institutions | 5 Years |
| XIV. | Electrical Installations and Equipment [NESD] | 10 years |
| XV. | Hydraulic works, pipelines and sluices [NESD] | 15 Years |