Consider the following statements about National Biodiversity Authority (NBA).
1. The National Biodiversity Authority (NBA) was established to implement India's Biological Diversity Act (2002).
2. The NBA is a statutory and an autonomous body.
3. The NBA has its headquarters in Chennai.
4. Biological Diversity Act 2002 mandates all local bodies to setup Biodiversity Management Committees (BMC).
Which of the statements are true?