This August 12 was observed as the World Elephant Day. Which of the following statements about the animal is/ are correct?

1.    Elephant is India’s national heritage animal declared in the year 2011.

2.    Elephas maximus indicus is one of the three recognised subspecies of Asian elephants.

3.    The Indian elephant has been accorded Vu or Vulnerable status in the IUCN Red Data Book.

Select the correct answer using the codes given below