Value of supply includes interest or late fee or penalty for delayed payment

In re Hyderabad Metropolitan Water Supply And Sewerage Board (GST AAR Telangana) The applicant M/s. Hyderabad Metropolitan Water Supply and Sewerage Board is making payments to the contractors in equated yearly installment manner where in such equated yearly installment consists of both principal amount and interest on such delayed payment. The applicant is desirous ascertaining their liability on payment of GST on interest for delayed payment. The clause (d) of sub section 2 of Section 15 clearly states that the value of supply shall include interest or late fee or penalty for delayed payment...