procurement of misc. cartridges and toners for various printer, mfp, photocopies at gm office, dgm office and dharasu power house , hp toner cartridge black cf 350a. , ricoh-sp 310hs , ricoh-sp 200hs , sharp mx-23 at ba , sharp mx-23 at ya , sharp mx-23 at ma , sharp mx-23 at ca , sharp bp-at20ba , sharp bp-at20ca , sharp bp-at20ma , sharp bp-at20ya , canon black toner cartridge-054 , canon cyan toner cartridge-054 , canon yellow toner cartridge-054 , canon magneta toner cartridge-054 , hp black toner cartidgew1370a(137a) , hp black toner cartidge w2310a(215a) , hp magneta toner cartidge w2312a(215a) , hp yellow toner cartidge w2311a(215a) , hp cyan toner cartidge w2313a(215a) , hp black toner cartidge 12a , canon npg 67 toner cartridge(b) , canon npg 67 toner cartridge(m) , canon npg 67 toner cartridge(cy) , canon npg 67 toner cartridge(y) , hp tricolo printhead(moh50a) , hp black printhead (x4e75a) , sharp ar-237at toner cartridge(b)