S. 80IA: Industrial undertakings-Enterprises engaged in infrastructure development-Transfer pricing-Captive power plant supplying electricity to non-eligible manufacturing units-Internal transfer pricing must be benchmarked against the landed cost of electricity supplied to consumers by the State Electricity Board-Benchmarked transaction using internal CUP method adopting average annual landed cost of electricity paid by its manufacturing units to State Electricity Boards (SEBs), since CPPs were established for captive use and not for sale to SEBs, internal CUP was the most appropriate method for determining ALP. [S. 80IA(8), 92BA, 92C, 92F(ii); R. 10B(1)(a)]