Regarding Life if intangible assest

I am preparing one balance sheet of fuel station company for the fy 2021-22.
they paid licences fee 50 lakh. on jan 2022.

my dought is, wt is the useful life of the intangible assets as per company act.
as per it act 25% .
as per company act wt is the useful life of intangible asests and what is the rate of depreciation. to calculate amortization