S. 268A : Appeal-Monetary limits-Enhanced monetary limits specified in Circular No. 9/2024 apply retrospectively to pending appeals, whereas exceptions introduced in Circular No. 5/2024 apply prospectively-A disallowance of expenditure under section 40(a)(i) in an assessment under section 143(3) is distinct from TDS proceedings under section 201 and is not covered by the TDS exception in Circular No. 5/2024. [S. 40(a)(i),. 143(3), 195, 201, 260A]