Question

How did ishwaran come to know that the factory ,where they were working was once a burial ground?

Answer 1

One day ,Iswaran found a skull near his place when he coming back to home. So he think that the factory where they were working was once a burial ground.

Answer 2

Ishwaran told Mahendra that the ghost of a woman appeared around the house on the full moon night. He told that on that day only he came to know that the factory, where they were working was once a burial ground.