How to Deal with ‘Attitude’ at Workplace to Improve Team Performance ?

Most leaders agree that negative attitude and behavioural issues negativity impact the efficiency and team performance. Negative attitude creates tension, misunderstanding and unwanted tension in the surroundings. If a person is adamant not to get aligned with organizational ethics it becomes a huge problem for the leader. There were multiple ways to improve an individual's speaking skills and writing abilities but there are no ready modules to deal with negative attitude, rigidity and arrogance. A leader has to continually keep devising new ways to approach this issue and yet it requires skill and diplomacy. So how can a leader handle Attitudinal issues at work place?