Complex sentence: But because of objections by the erstwhile State of Bahawalpur, the project got delayed and finally with intervention of then Viceroy of India Lord Curzon in 1906, a Tripartite Conference was held and an agreement was reached and signed on 4 September 1920.
Split into simpler sentences: But because of objections by the erstwhile State of Bahawalpur, the project got delayed. Finally, with intervention of then Viceroy of India, Lord Curzon in 1906, a Tripartite Conference was held and an agreement was reached and signed on 4 September 1920.