New Delhi, Mar 16 (ANI): The Prime Minister's Office (PMO) on Wednesday held a special cleanliness drive under the 'Swachh Bharat Abhiyan', spanning over a fortnight. The drive resulted in weeding out of over thousands of files kept at the office from years. The efforts by the officers and other staff at the PMO also resulted in cleaning and beautification of lawns at the entrance of PMO.