Commercial samples of ten herbal drugs and spices of fruit and seed origin viz. Capsicum frutescens L., Coriandrum sativum L., Cuminum cyminum L., Emblica officinalis Gaertn., Foeniculum vulgare Mill., Piper longum L., Piper nigrum L., Syzygium cumini L. (Skeels.), Terminalia chebula Retz. and Trigonella foenum-graecum L. were evaluated to assess their quality in respect of identity, purity and strength. The samples were resourced from Delhi, Hardwar and Ghaziabad markets. Evaluation is based on specific parameters and limits developed by standardising authentic samples of drugs and spices.