Indian tunes based on Indian classical ragas and drone show are among the highlights of the Beating Retreat ceremony which is graced by President Droupadi Murmu at Vijay Chowk in the national capital on Sunday. Twenty-nine captivating, foot-tapping Indian tunes are being played by the music bands of the Army, the Navy, the Air Force and the State Police and the Central Armed Police Force amid lashing rain the national capital.