Plants are the almost exclusive source of drugs for majority of the world population. The phyto components in black gram help in treating aliments like liver diseases, cancer, diabetes, kidney diseases by functioning as antioxidants. The present investigation was carried out to determine the phytochemicals present in the root nodules of Vigna mungo L. which was grown with different types of organic manures using GC-MS analysis. The analysis revealed the presence of nearly 15 components of pharmaceutical importance in the root nodules of vermicompost and coir waste manure treated plants.