Tax rate schedule change for individuals and HUFs adjusts slab thresholds and rates under the new optional tax regime. Substitution of sub-section (1A) of section 115BAC prescribes revised tax computation under the optional new tax regime for individuals, HUFs, associations or bodies of persons and specified artificial juridical persons, excluding those who opted under sub-section (6). Two six-slab rate schedules are provided: one applicable to the previous year relevant to the assessment year beginning April 1, 2024, and a modified schedule applicable to previous years relevant to assessment years beginning on or after April 1, 2025, altering intermediate slab thresholds while retaining the top rate.