Q. Consider the following statements regarding All India Tiger Census:
1. It has been conducted once in four years
2. Madhya Pradesh recorded maximum number of tigers followed by Karnataka and Uttarakhand
3. It is conducted by national Tiger Conservation Authority (NTCA) in collaboration with state departments
Which of the following is/are correct?

[A] 1 and 2 only

[B] 2 and 3 only

[C] 1 and 3 only

[D] 1, 2 and 3

Answer: D

All the statements are correct 

Source: Article