Forty two Physico-chemical characters recorded from 32 accessions of Lime, Lemon and Pseudo limon accessions collected from four districts of Himachal Pradesh in India were subjected to diversity studies. Descriptive statistics showed vast variation in Fruit size, Fruit rind thickness, petiole wing width and numbers of seeds / fruit. PCA showed a total of 30 components of which first ten accounted for of variability. | Physico-chemical diversity analysis in lime [C. aurantiifolia (Christm.) Swingle], lemon (C. limon Burm. f.) and hill lemon (C. pseudolimon Tan.) species collected from the foothills of Himalaya, India