ISLAMABAD, Nov 2: The Corporate Social Responsibility (CSR) society of the National University of Modern languages (NUML), Rawalpindi Branch organized a tree plantation and cleanliness drive at Trail 5 on Margalla Hills to endorse Prime Minister’s clean green Pakistan initiative. A group of 60 students of Management Sciences Department, NUML Rawalpindi participated in the activity held on Tuesday and later they went for hiking to highlight the importance of physical training in daily life.