Rates of Depreciation Under Companies Act

Nature of Assets

Useful Life

I  Buildings [NESD]  
(a) Building (other than factory buildings) RCC Frame Structure 60 Years
(b) Building (other than factory buildings) other than RCC Frame Structure 30 Years
(c) Factory buildings 30 Years
(d) Fences, wells, tube wells 5 Years
(e) Other (including temporary structure, etc.) 3 Years
II Bridges, culverts, bunkers, etc. [NESD] 30 Years
III Roads [NESD]  

(a) Carpeted Roads

  
     (i) Carpeted Roads - RCC
     (ii) Carpeted Roads - other than RCC		 10 Years
5 Years
(b) Non-carpeted roads 3 Years
IV Plant and Machinery  
(a) General rate applicable to Plant and Machinery not covered under Special Plant and Machinery  
     (i) Plant and Machinery other than continuous process plant not covered under specific 15 Years
     (ii) Continuous process plant for which no special rate has been prescribed under (ii) below 8 Years
(b) Special Plant and Machinery  
     (i) 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 equipment's, developing machines, printing machines, editing machines, synchronizers and studio lights 15 Years
          2. Projecting equipment for exhibition of films 8 Years
     (ii) Plant and Machinery used in glass 13 Years
          1. Plant and Machinery except direct fire glass melting furnaces - Recuperative and regenerative glass melting 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
     (iv) Plant and Machinery used in Telecommunications [NESD]  
          1. Towers 18 Years
          2. Telecom transceivers, switching centres, transmission and other network equipment 13 Years
          3. Telecom - Ducts, Cables and optical fibre 18 Years
          4. Satellites 18 Years
     (v) Plant and Machinery used in exploration, production and refining oil and gas [NESD]  
          1. Refineries 25 Years
          2. Oil and gas assets (including wells), processing plant and facilities 25 Years
          3. Petrochemical Plant 25 Years
          4. Storage tanks and related equipment 25 Years
          5. Pipelines 30 Years
          6. Drilling Rig 30 Years
          7. Field operations (above ground) Portable boilers, drilling tools, well-head tanks, etc. 8 Years
          8. Loggers 8 Years
     (vi) 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 40 Years
          3.  Nuclear Power Generation Plant 40 Years
          4.  Transmission lines, cables and other network assets 40 Years
          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 30 Years
     (vii) Plant and Machinery used in manufacture of  
          1 Sinter Plant 20 Years
          2 Blast Furnace 20 Years
          3 Coke Ovens 20 Years
          4 Rolling mill in steel plant 20 Years
          5 Basic Oxygen Furnace Converter 25 Years
     (viii) Plant and Machinery used in manufacture of non-ferrous metals  
          1 Metal pot line [NESD] 40 Years
          2 Bauxite crushing and grinding section 40 Years
          3 Digester Section [NESD] 40 Years
          4 Turbine [NESD] 40 Years
          5 Equipments for Calcinations [NESD] 40 Years
          6 Copper Smelter [NESD] 40 Years
          7 Roll Grinder 40 Years
          8 Soaking Pit 30 Years
          9 Annealing Furnace 30 Years
          10 Rolling Mills 30 Years
          11 Equipments for Scalping, Slitting, etc. [NSED] 30 Years
          12 Surface Miner, Ripper Dozer, etc. used in mines  
          13 Copper refining plant [NSED] 25 Years
     (ix) 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. 25 Years
          2 Other Equipments 13 Years
     (x) Plant and Machinery used in manufacture of pharmaceuticals and chemicals [NESD]  
          1 Reactors 20 Years
          2 Distillation Columns 20 Years
          3 Drying equipments / Centrifuges and Decanters 20 Years
          4 Vessel / Storage tanks 20 Years
     (xi) Plant and Machinery used in civil construction  
          1 Concreting, Crushing, Piling Equipments and Road Making Equipments 12 Years
          2 Heavy Lift Equipments - 20 Years
                    - Cranes with capacity more than 100 tons
                    - Cranes with capacity less than 100 tons		 20 Years
15 Years
          3 Transmission line, Tunnelling Equipments [NESD] 10 Years
          4 Earth-moving equipments 9 Years
          5 Others including Material Handling / Pipeline / Welding Equipments [NESD] 12 Years
     (xii) Plant and Machinery used in salt works [NESD] 15 Years
V Furniture and fittings [NESD]  
     (a) General furniture and fittings 10 Years
     (b) Furniture and fittings used in hotels, restaurants and boarding houses, schools, colleges and other education institutions, libraries, welfare centres, meeting halls, cinema houses, theatres and circuses and furniture and fittings let out on hire for used on occasion of marriages and similar functions 8 Years
VI Motor Vehicles [NESD]  
     (a) Motor cycles, scooters and other mopeds 10 Years
     (b) Motor buses, motor lorries, motor cars and motor taxies used in a business of running them on hire 6 Years
     (c) Motor buses, motor lorries, motor cars and motor taxies other than those used in a business of running them on 8 Years
     (d) Motor tractors, harvesting combines and heavy vehicles 8 Years
     (e) Electrically operated vehicles including battery powered or fuel cell powered vehicles 8 Years
VII Ships [NESD]  
     (a) Ocean-going ships  
          (i) Bulk Carriers and liner vessels 25 Years
          (ii) Crude tankers, product carriers and easy chemical carriers with or without conventional 20 Years
          (iii) Chemicals and Acid Carriers  
                    1 With Stainless steel tanks 25 Years
                    2 With other tanks 20 Years
          (iv) Liquefied gas carriers 30 Years
          (v) Conventional large passenger vessels which are used for cruise purpose also 30 Years
          (vi) Coastal service ships of all categories 30 Years
          (vii) Offshore supply and support vessels 20 Years
          (viii) Catamarans and other high speed passenger for ships or boats 20 Years
          (ix) Drill ships  
          (x) Hovercrafts 25 Years
          (xi) Fishing vessels with wooden hull 15 Years
          (xii) Dredgers, tugs, barges, survey launches and other similar ships used mainly for dredging 10 Years
     (b) Vessels ordinarily operating on inland waters  
          (i) Speed boats 13 Years
          (ii) Other vessels 28 Years
VIII Aircrafts or Helicopters [NESD] 20 Years
IX Railway siding, locomotives, rolling stocks, tramways and railway used by concerns, excluding railway 15 Years
X Ropeway structures [NESD] 15 Years
XI Office equipments [NESD] 5 Years
XII Computers and data processing units [NESD]  
     (a) Servers and networks 6 Years
     (b) End user devices, such as, desktops, laptops, etc 3 Years
XIII Laboratory equipment [NESD]  
     (a) General laboratory equipment 10 Years
     (b) Laboratory equipments used in education institutions 5 Years
XIV Electrical Installations and Equipment [NESD] 10 Years
XV Hydraulic woks, pipelines and sluices [NESD] 15 Years