Dear Sir, The Department of Chemistry, Indian Institute of Technology Madras ( IITM ), Chennai - 600036 Tamil Nadu, India wish to purchase on limited tender basis an R.O/ N.F.Membrane testing system for water purification from reputedinternational/ Indian manufacturers/ and their distributor based in India for Prof. T.Pradeep's Research Group, DSTUnit on Nano Science, IIT Madras.. The technical specifications of this FLAT SHEET R.O./N.F Membrane testing system is attached.