Fundamental duties require citizens to respect the Constitution, protect sovereignty, preserve environment and ensure child education. Article 51A prescribes Fundamental Duties for every citizen: to abide by the Constitution and respect its ideals, institutions, National Flag and Anthem; to uphold sovereignty, unity and integrity; to defend the country when required; to promote harmony and renounce practices derogatory to women; to preserve cultural heritage; to protect and improve the natural environment and have compassion for living creatures; to develop scientific temper; to safeguard public property and abjure violence; to strive for excellence; and to ensure parents or guardians provide education opportunities to children aged six to fourteen.