Metals by virtue of their amount in living system are non toxic rather helping in several physiological functions. However, when they are accumulated at a level beyond the permissible limits are declared toxic and injurious to health of plants and human beings. Samples of food grains (Wheat, Rice, Maize) alongwith soil and underground water of 12-sites were collected from six districts of Punjab (Pakistan). The materials were tested metal concentrations by using most advance analytical technique ICP-OES. The highest values of metals in under-ground Water were (4.08 K), (51.59 Na), (1.122 Li),...