Introduction: Historical Development from Paper Chromatography, General Experimental Arrangements; Stationary Phase: Adsorbants, High Performance Thin Layer Chromatography; Practical Techniques: Spotting of Plates, Preparation of Solvent Tanks, Methods of Plate Development, Visualisation; Applications: Qualitative TLC, Quantitative TLC, Preparative TLC, Advantages and Disadvantages of TLC.