Which of the following are the fundamental duties mentioned in the constitution of India?

1. To develop the scientific temper, humanism and the spirit of inquiry and reform.

2. To safeguard public property and to abjure violence.

3. Promotion of cooperative societies.

4. To protect and improve the natural environment including forests, lakes, rivers and wildlife, and to have compassion for living creatures.

Select the correct answer from the code given below.