Tax on Global Depository Receipts: dividends and capital gains taxed at specified flat rates plus adjusted residual tax. Section 115ACA establishes a specialised tax regime for resident employees of qualifying knowledge based companies whose income includes dividends on Global Depository Receipts purchased in foreign currency or long term capital gains on their transfer. Tax payable is the aggregate of a flat tax on such dividends, a flat tax on such long term capital gains, and the tax chargeable had the assessee's total income been reduced by those GDR related amounts; the section also modifies deduction and capital gains computation rules and supplies operative definitions.