Composition scheme option allows eligible small taxpayers to pay a prescribed turnover-based levy instead of regular GST liability. Prescribes a composition levy option for eligible registered persons below the notified aggregate turnover threshold, allowing payment of a prescribed fixed percentage of turnover in the Union territory in lieu of normal tax; sets differentiated rates for manufacturers, certain suppliers and other suppliers. Excludes manufacturers of specified goods listed by tariff headings (including edible ice products, pan masala, and tobacco and substitutes). Interpretation of tariff headings follows the First Schedule to the Customs Tariff Act and the measure is effective from the stated commencement date.