Salkhan Fossils Park in Sonbhadra has been added to UNESCO’s Tentative List of World Heritage Sites, recognizing its 1.4 billion-year-old stromatolite and algae fossils—some of the oldest known evidence of life on Earth. This park is in which state?

Uttar Pradesh

The correct answer is Option 1: Uttar Pradesh

This geological site, also known as Sonbhadra Fossils Park, is nestled within the Kaimur Range and is internationally recognized for its exceptionally old stromatolite and algae fossils.