To identify PETA India's 2022 Person of the Year:
1. Sonakshi Sinha was recognized for her advocacy for animal rights and veganism.
2. PETA India honors individuals who contribute significantly to animal welfare.
3. The other actresses have also been involved in various social causes but were not named for this specific award in 2022.
Therefore, the correct answer is (2) Sonakshi Sinha.