With reference to Shanghai Cooperation Organisation (SCO), consider the following statements:
1. It is not a permanent intergovernmental international organisation.
2. The external policy of SCO is conducted in accordance with the principles of non-alignment, non-targeting anyone and openness.
3. Russian, Chinese and English are the official working languages of the SCO.
Which of the statements given above is/are incorrect?1
1 and 2 only
2
2 and 3 only
3
3 only
4
1 and 3 only