supply and delivery of raw materials and spare parts required for water treatment plant in the district of purba-bardhaman. under c.m..d. p.h.e. dte.-1.10 raw materials of batch code machine - 2.00 ink cartridge for batch code machine 3.00 make up for batch code machine 4.00 container cleaning solution for batch code machine 5.00 cartridge filter 6.00 micron cartridge filter for ro feed - 5 micon 20 long ( jumbo wound type/approved make) 7.00 micron cartridge filter for uf feed - 5 micon 10 long (jumbo wound type/approved make) 8.00 micron cartridge filter for ro cleaning - 5 micon 20 long (jumbo wound type/approved make). 9.00 micron cartridge filter for after ozone - 5 mocon 20 long (slim wound type/approved make) 10.00 micron cartridge filter after uv- 0.1 micon 20 long (spun cartridge) 11.00 micron cartridge filter - 0.2 micon 20 long (pleated cartridge/approved make) 12.00 chemical 13.00 biocide (acurosil / equivelnt) 14.00 spare parts 15.00 supply and delivery of v belt for l.p. machine 16.00 servicing charges, -esting, checking, repairing of ozonator by the technical person of ozonek company from chennai including air freight charges lodging, fooding expenses and transporatation charges from kolkata to burdwan and back to kolkata.