In this power point presentation you will come to know about STARCH that is one of the carbohydrates containing crud drugs obtained from different grains such as maize (Zea mays Linn.); rice (Oryza sativa Linn.); or wheat (Triticum aestivum Linn.); belonging to family Gramineae or from the tubers of potato (Solanum tuberosum Linn.), family Solanaceae.. This is becomes important since it is taken from food grain sources. Here the synonyms, biological sources , geographical sources (what are the countries where it can be cultivated) and methods of preparation has been discussed in brief. Video Link : https://youtu.be/rgb6BPbBxUg Portion explained: 1. Synonyms of STARCH 2. Biological Sources of STARCH 3. Geographical Sources of STARCH 4. Cultivation and Collection of STARCH 5. Chemical Constituents of STARCH 6. Chemical Test of STARCH 7. Uses of STARCH