What is the essence of ethics? If you refer to any standard text book for ethics (for civil services) then the content which is given there is absolutely irrelevant. In order to understand what is the essence of ethics, we need to take a close look at 'What is Ethics'. If you would observe it closely then you'll understand one thing that: the essence of ethics can be seen from multiple ways. Different theories states the essence differently. To get a clear idea on it, lets take a look at few theories:
From above it is clear that essence of ethics varies from one theory to another. It is now your job to identify what all other theories are there and why they are emphasising one ethics.