GST rate amendment applies to sand lime bricks and stone inlay work from the notified effective date. Amendment places sand lime bricks and stone inlay work in Schedule I at a concessional integrated tax rate by Notification No. 9/2025 Integrated Tax (Rate), issued 17 09 2025 and operative from 22 09 2025, requiring suppliers of these items to apply the revised rate for invoicing, classification and return reporting under the integrated tax regime.