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01   INTEGRATED      73  STATUTORY      178  FINANCIAL
                                                          STATEMENTS
                  REPORT
                                      REPORTS
                                                          Standalone

                          Depreciation methods, estimated useful lives           The intangible assets with a finite useful life
                        and residual value                                are amortised using straight line method over
                                                                          their  estimated  useful  lives.  The  management’s
                        Depreciation  on  PPE  (except  leasehold         estimates of the useful lives for various class of
                        improvements) is calculated using the straight-line   Intangibles are as given below:
                        method to allocate their cost, net of their residual
                        values, over their estimated useful lives. However,   Asset                  Useful life
                        leasehold  improvements  are  depreciated  on  a   Computer software           5 years
                        straight-line method over the shorter of their     Other intangible assets   4- 20 years
                        respective useful lives or the tenure of the lease           The estimated useful life is reviewed annually by
                        arrangement. Freehold land is not depreciated.
                                                                          the management.
                          Schedule II to the Act prescribes the useful lives for           Gains  or  losses  arising  from  the  retirement  or
                        various class of assets. For certain class of assets,   disposal of an intangible asset are determined
                        based on technical evaluation and assessment,     as the difference between the net disposal
                        Management believes that the useful lives         proceeds and the carrying amount of the asset
                        adopted by it reflect the periods over which these   and recognised as income or expense in the
                        assets  are  expected  to  be  used.  Accordingly  for   Standalone Statement of Profit and Loss.
                        those assets, the useful lives estimated by the
                        management are different from those prescribed      2.7    Capital  work-in-progress  (‘CWIP’)  and
                        in the Schedule. Management’s estimates of the    intangible assets under development
                        useful lives for various class of PPE are as given           Projects  under  commissioning  and  other  CWIP/
                        below:                                            intangible assets under development are carried
                        Asset                      Useful life            at cost, comprising direct cost, related incidental
                        Salt Works, Water works, Reservoirs  1-30 years   expenses and attributable borrowing cost.
                        and Pans                                            Subsequent expenditures relating to property,
                        Plant and Machinery        1-60 years             plant and equipment are capitalised only when it is
                        Traction Lines and Railway Sidings   15 years     probable that future economic benefit associated
                        Factory Buildings          5-60 years             with these will flow to the Company and the cost
                        Other Buildings            5-60 years             of the item can be measured reliably.
                        Furniture and Fittings and Office  1-10 years          Advances given to acquire property, plant and
                        Equipment (including Computers                    equipment are recorded as non-current assets and
                        and Data Processing Equipment)                    subsequently transferred to CWIP on acquisition of
                        Vehicles                   4-10 years             related assets.
                        Useful lives and residual values of assets are      2.8   Investment property
                        reviewed at the end of each reporting period.
                                                                            Investment properties are land and buildings that
                          Losses arising from the retirement of, and gains or   are held for long term lease rental yields and/ or
                        losses arising from disposal/adjustments of PPE   for capital appreciation. Investment properties are
                        are recognised in the Standalone Statement of     initially recognised at cost including transaction
                        Profit and Loss.                                  costs.  Subsequently  investment  properties
                                                                          comprising buildings are carried at cost less
                  2.6   Intangible assets                                 accumulated depreciation and accumulated
                          Intangible assets  comprise software licenses,   impairment losses, if any.
                        product registration fees and rights to use railway           Depreciation on buildings is provided over the
                        wagon.
                                                                          estimated useful lives as specified in note 2.5
                          Intangible assets are measured on initial       above. The residual values, estimated useful lives
                        recognition at cost and subsequently are carried   and depreciation method of investment properties
                        at  cost  less  accumulated  amortisation  and    are reviewed, and adjusted on prospective basis as
                        accumulated impairment losses, if any.            appropriate, at each reporting date.  The effects



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