rate contract for supply of commercial meter ((diaphragm type) for cgd projects in iocl gas , design, manufacturing, assembly, inspection, supply , including packaging, transit insurance, handling, transportation, loading / unloading at sites/ designated stores, documentation etc. and providing all related services including assistance in commisioning, conforming to respective technical specification & data sheet enclosed with this tender for supply of natural gas commercial meter. , commercial meter diaphragm type with amr retrofitting provision: , g-4 (upto 6 scmh), at 300mbar pressure , g-6 (upto 10 scmh), at 300mbar pressure , g- 10 (upto 16 scmh), at 300mbar pressure , g- 16 (upto 25 scmh), at 300mbar pressure , g- 25 (upto 40scmh), at 300mbar pressure