Lined irrigation canals, hydel, thermal, gas based power, industrial buildings, commercial buildings, residential buildings, dams, barrages, lift irrigation schemes, canal structures, roads
In the year 1959,sri. vallurupalli nageswara rao, founded 'southern engineering works' (sew) in vijaywada, a.p. india, with late sri. y. purnachandra rao and sri.over the years, sew constructions ltd., has diversified into construction of lined irrigation canals, hydel, thermal and gas based power, industrial, commercial and residential buildings, dams & barrages, lift irrigation schemes, canal structures, roads and bridges, fabrication and erection of gates, water supply projects, transmission lines.