investigation, survey, design, supply, construction, installation, testing and commissioning of eight (8) sewage treatment plants of total capacity of 9.90 mld (purushottapatnam - 2.80 mld in chilakaluripeta ulb, nidubrolu - 1.20 mld in ponnuru ulb, chinaravuru - 0.60 mld in tenali ulb, sugali colony - 0.30 mld in sattenapalli ulb, kondamodu - 1.80 mld in piduguralla ulb, gorrilamandi - 1.00 mld in macherla ulb, repalle - 0.70 mld, vellaturu road - 1.50 mld in vinukonda ulb) based on any appropriate technology (technology neutral) with post completion operation and maintenance of entire sewage treatment plants for 7 (seven) years including 02 (two) years defect liability period under epc system under pmau (hfa) (u) scheme in guntur district. .