Explain the concept of "duly and faithfully" performance of duties mentioned in the text.
The phrase "duly and faithfully" implies that the individual is committed to performing their duties diligently, without any personal bias or prejudice. They are expected to act impartially, without favoritism towards any particular person or group, and with a genuine effort to uphold the constitution and laws of India. This commitment ensures the proper functioning of the government and maintains public trust in its institutions.