rattewali block: barwala panchayat: ratte wali dist.: panchkula annual mtc. work for water supply--p/f pig lead complete in all respect. /std. quality / devi nagar, alipur, toka, khatouli, mankian and at various site, providing and fixing of ci d/f non return valve 100 mm complete in all respect. /100 mm / providing and fixing cast iron double flanged swing check type reflux (non return) valves pn1.6 marked with is:5312 including nuts and bolts marked with is:1363, rubber sheet marked