Mr. Sharma is most probably working as

Directions: Read the passage and answer the question.

The pre-historic man preferred this area as three of his primary needs — water, raw material for tool making and game in the thick jungles, were available here in plenty. Mr. Sharma found sites on top of hills where huge boulders have been cut flat. These flat rocks were found in a round formation. Probably they sat on these and there was a fire in the middle. It was also a site where the tools were made. It was like a national pastime. They made tools to throw at animals. There was little chance of killing them with one tool. Mr. Sharma says there are strong chances of finding fossils in the area.