Explanation:

Dr. Mohan Singh Diwana (1899-1984) is a foundational figure in the study of literary criticism of Panjabi. His History of Panjabi Literature (1933), which was based on his doctoral dissertation(scientific history), was the first major literary history of Panjabi and inspired many others to perform literary criticism in a serious way. He also made his impact as a poet. Some of his well-known works include Nil Dhara (The Blue Ocean, 1935), Jagat Tamasha (The World Fair, 1942), Masti (Ecstasy, 1946-49), and Dhup Cha? (Sunshine and Shade, 1932)