Rachpal Singh Gill was an Indian engineer who worked on projects such as the Ranjit Sagar Dam, also known as the Thein Dam.
Rachpal Singh Gill (3 April 1908  10 August 2001) was a Sikh Indian civil engineer responsible for key engineering projects such as the Bhakra Nangal hydro power complex, Ranjit Sagar Dam, Pong Dam, and the thermal power plants at Bathinda as well as Roopnagar. The Ranjit Sagar Dam, also known as the Thein Dam, is part of a hydroelectric project constructed by the Government of Punjab Punjab Irrigation Department on the Ravi River on the Border of two states of India Jammu and Kashmir and Punjab. 
