Rates of Depreciation Under Company Act

Nature of Assets Useful
Life
Rate
[SLM]
Rate
[WDV]
(I) Buildings [NESD]
(a) Building (other than factory buildings) RCC Frame Structure 60 1.58% 4.87%
(b) Building (other than factory buildings) other than RCC
Frame Structure
30 3.17% 9.50%
(c) Factory buildings 30 3.17% 9.50%
(d) Fences, wells, tube wells 5 19.00% 45.07%
(e) Other (including temporary structure, etc.) 3 31.67% 63.16%
(II) Bridges, culverts, bunkers, etc. [NESD] 30 3.17% 9.50%
(III) Roads [NESD]
(a) Carpeted Roads
(i) Carpeted Roads – RCC 10 9.50% 25.89%
(ii) Carpeted Roads – other than RCC 5 19.00% 45.07%
(b) Non-carpeted roads 3 31.67% 63.16%
(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 6.33% 18.10%
(ii) Continuous process plant for which no special rate has been
prescribed under (ii) below
8 11.88% 31.23%
(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
equipments, developing machines, printing machines, editing
machines, synchronizers and studio lights
13 7.31% 20.58%
2 Projecting equipment for exhibition of films 13 7.31% 20.58%
(ii) Plant and Machinery used in glass
1 Plant and Machinery except direct fire glass melting furnaces
– Recuperative and regenerative glass melting furnaces
13 7.31% 20.58%
2 Plant and Machinery except direct fire glass melting furnaces
– Moulds [NESD]
8 11.88% 31.23%
3 Float Glass Melting Furnaces [NESD] 10 9.50% 25.89%
(iii) Plant and Machinery used in mines and quarries Portable
underground machinery and earth moving machinery used in
open cast mining
8 11.88% 31.23%
(iv) Plant and Machinery used in Telecommunications [NESD]
1 Towers 18 5.28% 15.33%
2 Telecom transceivers, switching centres, transmission and
other network equipment
13 7.31% 20.58%
3 Telecom – Ducts, Cables and optical fibre 18 5.28% 15.33%
4 Satellites 18 5.28% 15.33%
(v) Plant and Machinery used in exploration, production and
refining oil and gas [NESD]
1 Refineries 25 3.80% 11.29%
2 Oil and gas assets (including wells), processing plant and
facilities
25 3.80% 11.29%
3 Petrochemical Plant 25 3.80% 11.29%
4 Storage tanks and related equipment 25 3.80% 11.29%
5 Pipelines 30 3.17% 9.50%
6 Drilling Rig 30 3.17% 9.50%
7 Field operations (above ground) Portable boilers, drilling tools,
well-head tanks, etc.
8 11.88% 31.23%
8 Loggers 8 11.88% 31.23%
(vi) Plant and Machinery used in generation, transmission and
distribution of power [NESD]
1 Thermal / Gas / Combined Cycle Power Generation Plant 40 2.38% 7.22%
2 Hydro Power Generation Plant 40 2.38% 7.22%
3 Nuclear Power Generation Plant 40 2.38% 7.22%
4 Transmission lines, cables and other network assets 40 2.38% 7.22%
5 Wind Power Generation Plant 22 4.32% 12.73%
6 Electric Distribution Plant 35 2.71% 8.20%
7 Gas Storage and Distribution Plant 30 3.17% 9.50%
8 Water Distribution Plant including pipelines 30 3.17% 9.50%
(vii) Plant and Machinery used in manufacture of
1 Sinter Plant 20 4.75% 13.91%
2 Blast Furnace 20 4.75% 13.91%
3 Coke Ovens 20 4.75% 13.91%
4 Rolling mill in steel plant 20 4.75% 13.91%
5 Basic Oxygen Furnace Converter 25 3.80% 11.29%
(viii) Plant and Machinery used in manufacture of non ferrous metals
1 Metal pot line [NESD] 40 2.38% 7.22%
2 Bauxite crushing and grinding section 40 2.38% 7.22%
3 Digester Section [NESD] 40 2.38% 7.22%
4 Turbine [NESD] 40 2.38% 7.22%
5 Equipments for Calcinations [NESD] 40 2.38% 7.22%
6 Copper Smelter [NESD] 40 2.38% 7.22%
7 Roll Grinder 40 2.38% 7.22%
8 Soaking Pit 30 3.17% 9.50%
9 Annealing Furnace 30 3.17% 9.50%
10 Rolling Mills 30 3.17% 9.50%
11 Equipments for Scalping, Slitting, etc. [NSED] 30 3.17% 9.50%
12 Surface Miner, Ripper Dozer, etc. used in mines 25 3.80% 11.29%
13 Copper refining plant [NSED] 25 3.80% 11.29%
(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.
13 7.31% 20.58%
2 Other Equipments 15 6.33% 18.10%
(x) Plant and Machinery used in manufacture of pharmaceuticals
and chemicals [NESD]
1 Reactors 20 4.75% 13.91%
2 Distillation Columns 20 4.75% 13.91%
3 Drying equipments / Centrifuges and Decanters 20 4.75% 13.91%
4 Vessel / Storage tanks 20 4.75% 13.91%
(xi) Plant and Machinery used in civil construction
1 Concreting, Crushing, Piling Equipments and Road Making
Equipments
12 7.92% 22.09%
2 Heavy Lift Equipments –
– Cranes with capacity more than 100 tons 20 4.75% 13.91%
– Cranes with capacity less than 100 tons 15 6.33% 18.10%
3 Transmission line, Tunnelling Equipments [NESD] 10 9.50% 25.89%
4 Earth-moving equipments 9 10.56% 28.31%
5 Others including Material Handling / Pipeline / Welding
Equipments [NESD]
12 7.92% 22.09%
(xii) Plant and Machinery used in salt works [NESD] 15 6.33% 18.10%
(V) Furniture and fittings [NESD]
(a) General furniture and fittings 10 9.50% 25.89%
(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 11.88% 31.23%
(VI) Motor Vehicles [NESD]
(a) Motor cycles, scooters and other mopeds 10 9.50% 25.89%
(b) Motor buses, motor lorries, motor cars and motor taxies
used in a business of running them on hire
6 15.83% 39.30%
(c) Motor buses, motor lorries, motor cars and motor taxies
other than those used in a business of running them on
8 11.88% 31.23%
(d) Motor tractors, harvesting combines and heavy vehicles 8 11.88% 31.23%
(e) Electrically operated vehicles 8 11.88% 31.23%
(VII) Ships [NESD]
(a) Ocean-going ships
(i) Bulk Carriers and liner vessels 25 3.80% 11.29%
(ii) Crude tankers, product carriers and easy chemical carriers
with or without conventional
20 4.75% 13.91%
(iii) Chemicals and Acid Carriers
1 With Stainless steel tanks 25 3.80% 11.29%
2 With other tanks 20 4.75% 13.91%
(iv) Liquefied gas carriers 30 3.17% 9.50%
(v) Conventional large passenger vessels which are used for
cruise purpose also
30 3.17% 9.50%
(vi) Coastal service ships of all categories 30 3.17% 9.50%
(vii) Offshore supply and support vessels 20 4.75% 13.91%
(viii) Catamarans and other high speed passenger
for ships or boats
20 4.75% 13.91%
(ix) Drill ships 25 3.80% 11.29%
(x) Hovercrafts 15 6.33% 18.10%
(xi) Fishing vessels with wooden hull 10 9.50% 25.89%
(xii) Dredgers, tugs, barges, survey launches and other
similar ships used mainly for dredging
14 6.79% 19.26%
(b) Vessels ordinarily operating on inland waters
(i) Speed boats 13 7.31% 20.58%
(ii) Other vessels 28 3.39% 10.15%
(VIII) Aircrafts or Helicopters [NESD] 20 4.75% 13.91%
(IX) Railway siding, locomotives, rolling stocks,
tramways and railway used by concerns, excluding railway
15 6.33% 18.10%
(X) Ropeway structures [NESD] 15 6.33% 18.10%
(XI) Office equipments [NESD] 5 19.00% 45.07%
(XII) Computers and data processing units [NESD]
(a) Servers and networks 6 15.83% 39.30%
(b) End user devices, such as, desktops, laptops, etc. 3 31.67% 63.16%
(XIII) Laboratory equipment [NESD]
(a) General laboratory equipment 10 9.50% 25.89%
(b) Laboratory equipments used in education institutions 5 19.00% 45.07%
(XIV) Electrical Installations and Equipment [NESD] 10 9.50% 25.89%
(XV) Hydraulic woks, pipelines and sluices [NESD] 15 6.33% 18.10%

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