Deduction for depreciation
(1)
A deduction in respect of depreciation of— (a) buildings, machinery, plant or furniture, being tangible assets;
(b)
know-how, patents, copyrights, trademarks, licences, franchises or any other business or commercial rights of similar nature, being intangible assets acquired, not being goodwill of a business or profession, owned wholly or partly by the assessee and used wholly and exclusively for the purposes of the business or profession, shall be allowed, as per the provisions of this section.
(2)
In case of assets referred to in sub-section (1) of an undertaking engaged in generation or generation and distribution of power, the depreciation shall be a percentage of its actual cost to the assessee, as prescribed.
(3)
(a)
In case of any block of assets, depreciation shall be a percentage of its written down value, as prescribed;
(b)
when any asset forming part of the block of assets is partly, or not wholly and exclusively, used for the purposes of the business or profession, the deduction allowable shall be restricted to the fair proportionate part thereof as determined by the Assessing Officer, having regard to the usage for the purposes of the business or profession;