A Veteran Life Member of ACBI (Association of Clinical Biochemists of India) Dr K Chaudhry developed First 1 ml Colorimeter in India and Stable Indole 3 acetic acid reagent for Semen Fructose Estimation. His Book Biochemical Techniques was prescribed for MD students in CMC Vellore and Medical College Darbhanga. The new version, Medical Laboratory Techniques, is coauthored by Dr Abbas Ali Mahdi, Vice Chancellor, Era University, Lucknow.