GST applicability to dextrins and modified starches continues under the current tax schedule until a specified expiry date. Application of GST @ 18% to dextrins and other modified starches covers dextrins, pregelatinised or esterified starches, and glues based on starches or dextrins, with the tax treatment designated as applicable up to the stated expiry date and tied to the goods schedule entry for classification and rate.