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In today’s competitive and stringent engineering environment, it has become imperative to meet the statutory requirements of latest codes and standards. Seismic analysis as per IS-1893 is increasingly becoming a common practice to be adopted while performing stress analysis of piping in thermal power plants. This paper aims to evaluate and compare the seismic load in a piping system by two commonly used methods – Static Equivalent Method and Response Spectrum Method. Piping stress analysis was performed in Caesar II software as per ASME B 31.1 and IS 1893 (part-1).