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Integrated report             Statutory reportS          Financial StatementS
                                                                                    Standalone


            Notes forming part of the Standalone Financial Statements



            1.    Corporate information                                   products business (note 34) and merger of Bio
                                                                          Energy Venture-1 (Mauritius) Pvt. Ltd. (note 36).
                  Tata  Chemicals  Limited  (the ‘Company’)  is  a  public  limited
                  company domiciled in India.  Its shares  are listed  on two      2.3     Critical accounting estimates, assumptions
                  stock exchanges in India; the Bombay Stock Exchange (‘BSE’)   and judgements
                  and the National Stock Exchange (‘NSE’).  The Company is
                  a diversified business dealing in basic chemistry products           The  preparation  of  the  Standalone  Financial
                  and specialty products. The Company has a global presence   Statements requires management to make
                  with key subsidiaries in  united States of America (‘uSA’),   estimates, assumptions and judgments that affect
                  united Kingdom (‘uK’) and Kenya that are engaged in the   the reported balances  of assets  and  liabilities
                  manufacture and sale of soda ash, industrial salt and related   and disclosures as at the date of the Standalone
                  products. During the year, the Company has demerged     Financial Statements and the reported amounts of
                  consumer products business as per Scheme of Arrangement   income and expense for the periods presented.
                  amongst  Tata Consumer Products Limited (formerly  Tata           The estimates and associated assumptions are
                  Global Beverages Limited) (“TCPL”) and the Company and   based on historical experience and other factors
                  their respective shareholders and creditors (note 34).  that are considered to be relevant. Actual results
                                                                          may differ from these estimates considering
            2.      Summary of basis of compliance,  basis                different assumptions and conditions.
                  of preparation and presentation, critical
                  accounting estimates, assumptions and                     Estimates and underlying assumptions are
                  judgements and significant accounting                   reviewed on an ongoing basis. Revisions to
                  policies                                                accounting estimates are recognised in the period
                  2.1.   Basis of compliance                              in which the estimates are revised and future
                                                                          periods are affected.
                          The Standalone Financial Statements comply,
                        in all material  aspects, with Indian Accounting           The estimates and assumptions that have a
                        Standards (‘Ind AS’) notified under Section 133 of   significant risk of causing a material adjustment to
                        the Companies Act, 2013 (‘the Act’) read with Rule   the carrying values of assets and liabilities within
                        3 of the Companies (Indian Accounting Standards)   the next financial year are discussed below.
                        Rules, 2015 and other relevant provisions of the Act.
                                                                     2.3.1  Deferred income tax assets and liabilities
                  2.2.   Basis of preparation and presentation              Significant management judgment is required to
                          The Standalone Financial Statements have been   determine the amount of deferred tax assets that
                        prepared on the historical cost basis, except for   can be recognised, based upon the likely timing
                        certain financial instruments and defined benefit   and the level of future taxable profits.
                        plans which are measured at fair value at the end           The amount of total deferred tax assets could
                        of each reporting period. Historical cost is generally   change if management estimates of projected
                        based on the fair value of the consideration given   future taxable income or if tax regulations undergo
                        in exchange for goods and services. Fair value is the   a change.
                        price that would be received to sell an asset or paid
                        to transfer a liability in an orderly transaction between      2.3.2   Useful lives of property, plant and equipment
                        market participants at the measurement date.
                                                                          (‘PPE’) and intangible assets
                          All assets and liabilities have been classified as           Management reviews the estimated useful lives
                        current or non-current as per the Company’s       and residual value of PPE and Intangibles at the end
                        normal operating cycle and other criteria set out   of each reporting period. Factors such as changes
                        in the Schedule III to the Act.                   in the expected level of usage, technological
                                                                          developments and product life-cycle, could
                         Figures for the year ended 31 March, 2019 have   significantly impact the economic useful lives and
                        been restated on account of demerger of consumer   the residual values of these assets. Consequently,


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