GST rate change applies to cane and beet sugar and chemically pure sucrose, excluding jaggery and khandsari. Cane and beet sugar and chemically pure sucrose in solid form are classified under Schedule I for a revised GST rate, including refined sugar with added flavouring or colouring and sugar cubes, while expressly excluding jaggery, khandsari sugar and rab; the change is effected by the referenced notification from its operative date.