Depreciation Rates under Income Tax

Block-wise depreciation rates for CA Inter. Additional depreciation rules and Companies Act comparison.

AY 2026-27 WDV Method

Building

Asset Rate
Residential buildings (non-business) 5%
Buildings used for business/profession 10%
Buildings for cold storage, hotels, etc. 10%
Temporary wooden structures 40%

Furniture & Fittings

Asset Rate
Furniture and fittings 10%
Electrical fittings 10%

Plant & Machinery (15%)

Asset Rate
General plant and machinery 15%
Ships, vessels 15%
Office equipment 15%

Plant & Machinery (30%)

Asset Rate
Motor buses, lorries, taxis (commercial) 30%
Motor cars (not for hire) 15%
Moulds used in rubber/plastic 30%
Air pollution control equipment 40%

Plant & Machinery (40%)

Asset Rate
Computers and software 40%
Energy saving devices 40%
Books (annual publications) 40%

Intangible Assets

Asset Rate
Know-how, patents, copyrights 25%
Trademarks, licenses 25%
Franchises 25%

Additional Depreciation (Section 32(1)(iia))

Condition Rate Note
New plant & machinery (manufacturing) 20% In addition to normal depreciation
Acquired and installed after 31.3.2005 20% Not for office/residential/cars/ships
New manufacturing unit in backward area 35% Additional depreciation for specified states

Key WDV Rules

  • Depreciation calculated on Written Down Value (WDV)
  • Full depreciation if asset used for 180+ days
  • Half depreciation if asset used for <180 days
  • Block of assets concept - individual asset tracking not required
  • No depreciation on land
  • Sale value deducted from block WDV
  • Short-term capital gain if block WDV becomes negative

Companies Act 2013 Rates (Schedule II)

Asset SLM WDV
Factory buildings 3.34% 10%
Non-factory buildings 1.63% 5%
Plant & Machinery (general) 4.75% 15%
Computers 16.21% 40%
Furniture & fittings 6.33% 15%
Vehicles 9.50% 30%
Software 16.21% 40%
Note: Companies Act uses useful life approach. Rates above are indicative based on useful life.

Related: Tax Rates AY 2026-27

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