Which Indian religious festival has recently been included in the representative list of intangible cultural heritage of humanity by UNESCO, an organisation of the United Nations?

Correct option is A

The United Nations Educational, Scientific, and Cultural Organization (UNESCO) inscribed ‘Durga Puja in Kolkata’ on the Representative List of Humanity’s Intangible Cultural Heritage in December 2021.
 Intangible Cultural Heritage refers to cultural practices, traditions, expressions, knowledge, and skills. It includes oral traditions, performing arts, rituals, social practices, festive events, traditional craftsmanship, and knowledge of nature and the universe.
 UNESCO, which stands for the United Nations Educational, Scientific and Cultural Organization, is a specialized agency of the United Nations. It was established in 1945 with the goal of promoting international cooperation in the fields of education, science, culture, and communication. UNESCO's headquarters are located in Paris, France.