Complex sentence: The Ravishankar Sagar dam, which irrigates almost 57,000 hectares of land and is the primary supplier of potable water to the state capital of Raipur and the Bhilai Steel Plant, lies approximately 11 km from the District capital.
Split into simpler sentences: The Ravishankar Sagar dam irrigates almost 57,000 hectares of land and also acts as the main supply of safe drinking water for the state capital, Raipur. It also provides the supply for the Bhilai Steel Plant which lies almost 11 km from the District capital.