Consider the following statements regarding Particularly Vulnerable Tribal Groups (PVTGs):

1. PVTGs are found across 18 States and 1 Union Territory in India.

2. A stagnant or declining population is one of the criteria used to identify a tribal group as a PVTG.

3. There are 95 officially notified PVTGs in India.

4. The Irular and Konda Reddi are both examples of communities officially notified as PVTGs.

Which of the statements given above are correct?