GST notification amendment: Adds specified brick and tile goods to the State Tax table, effective from April. Inserts four new serial entries into the notification Table specifying HS-coded goods: fly ash bricks or fly ash aggregate with ninety per cent or more fly ash content and fly ash blocks; bricks of fossil meals or similar siliceous earths; building bricks; and earthen or roofing tiles; the insertion follows the third serial entry of the original notification and becomes effective on the first day of April, 2022.