Particulars IFRS US GAAP  Indian GAAP
Purchase method-contingent consideration Included in cost of combination  at acquisition date if adjustment is probable  and can be measured reliably. Not recognised until contingency is resolved  or amount is determinable. Included in consideration if payment is probable  and an amount  can be reasonably estimated.
Purchase method – minority interests at acquisition Stated at minority’s  share identifiable assets, liabilities and contingent liabilities. Stated at minority’s share of pre-acquisition carrying value of net assets Similar to US GAAP. 
Purchase method­ goodwill and intangible assets with indefinite useful lives Capitalized but not amortized. Goodwill and indefinite-lived  intangible assets are tested for impairment at least annually at either the cash generating unit (CGU) level or groups of CGUs, as applicable. Similar to IFRS, although the level of impairment testing  and the impairment test itself are different.  Goodwill on consolidation and business  acquisitions:no specific guidance – practice varies, between no amortisation versus amortisation over a period not exceeding 10 years;

Goodwill on amalgamation is amortized over a period not exceeding·5 years, unless a longer period is justified;

Goodwill is reviewed for impairment whenever an indication of impairment exists at the CGU level.

Intangible assets are not classified into indefinite useful lives category. All intangible assets are amortized over a period not exceeding 10 years.