In the year 1921, exacavations at Harrappa in Punjab brought to eight the rains of a large brick-built city and soon an unknown civilization came to light in and around the Indus valley. The Indus culture or Harrappas now dated to 2550-1900 B.C. we don't have any information about the names of the kings. The Harrappan language, and religion continue to the among the most vexing problems of South Asia.
The Indus people used a writing symbol of their own. Nearly 4,000 specimens of this script survive on seals, stone and inscribed objects. Yet it is necessary to help on trying to find a solution.