Tina and Anshu compleed their MBA and started working in a multinational company at the same level. Both are working hard. Anshu has the habit of backbiting and wrong reporting about his calleagues to impress the boss. All the employees in the organisation known about it. At teh time of performance apraisal also Tina'a performance was rated better than Anshu. Even then their boss decided to promoter Anshe stating that being a female, Tina will not be able to handle the complications of higher post.
Identify and explain the principle of management that was not followed by this company.