SCINTIFIC AND TECHNOLOGIICAL MESSAGE OF INDIA

Iron tools and materials excavated by the Indian archeological survey group of scientists produced before 600 BC,from various archeological sites from India are axes, sickles, knives, tongs, building rods,pins, nails, clamps, spade, plough shade, hoe, chisel, discs, rings, spoons, pipes, sockets,plumb, bowl, chains, door hooks, door handles, hinges, tweezers , anvils, hammers, and scissors. Now you asses our technological capability existed 2500 years ago.