Abstract: Pedogeochemical sampling over an area of 24 Sq.Km taken up in the Narayanpur, which is in the part of Srisailam Formation NW of Cuddapah basin, to assess the soil pH and EC of the unconformity-related uranium mineralisation of the area . The area mainly consists of the basement granite, dolerite dikes, basal pebbly quartzite and intercalated shale. Pedogeochemical sampling is carried out on a grid of 1 Km x 1 Km out of 24 Sq.Km and 24 soil samples collected from - different geological -formations. It is observed that the pH is high along the unconformity where we also observe uranium mineralization, whereas EC is low. The low pH & high EC is observed in the soil samples away from the unconformity indicating mobile nature of uranium.