Besides the National Pledge of India, it is the foremost duty of every Indian to follow the National Integration Pledge and the pledge mentioned in the Preamble to the Indian Constitution to ensure a brighter future for India.
Pledge of India

Indian National Pledge - Here we will mention the National Pledge that all the Indian children vow to follow everyday in their school lives. We will also mention the National Integration Pledge that outlines the basic duties to maintain peace, unity and brotherhood in this vast country and the pledge mention in the Preamble to the Indian Constitution.
General Pledge
India is my country. All Indians are my brothers and sisters. I love my
country and I am proud of its rich and varied heritage. I shall strive
to be worthy of it. I shall respect my parents, teachers and all elders
and treat everyone with courtesy. To my country and all my people, I
pledge my devotion. In their well being and prosperity alone lies my
happiness.
National Integration Pledge
I solemnly pledge to work with dedication to preserve and strengthen
the freedom and integrity of the nation. I further affirm that I shall
never resort to violence and that all differences and disputes relating
to religion, language, region or other political or economic grievances
should be settled by peaceful and constitutional means. In their well
being and prosperity alone lies my happiness.
Preamble to the Indian Constitution
We, The People Of India, having solemnly resolved to constitute
India into a Sovereign Socialist Secular Democratic Republic and to
secure to all its citizens:
- Justice, social, economic and political;
- Liberty of thought, expression, belief, faith and worship;
- Equality of status and of opportunity; and to promote among them all
- Fraternity assuring the dignity of the individual and the unity and integrity of the Nation.