President Droupadi Murmu will be on a daylong visit to West Bengal tomorrow. During her visit, she will launch the 'My Bengal, Addiction Free Bengal' Campaign under the Nasha Mukt Bharat Abhiyan, organized by Brahma Kumaris at Raj Bhavan, Kolkata. The President will also grace the launch of Vindhyagiri – the sixth ship of project 17A of the Indian Navy at Garden Reach Shipbuilders Engineers Limited.