The festival in India that involves the construction and immersion of elaborate statues in rivers is known as Ganesh Chaturthi. This festival celebrates the birth of Lord Ganesha, the elephant-headed god. During the event, large idols of Ganesha are crafted and displayed in homes and public spaces. After the celebrations, these statues are paraded through the streets and immersed in rivers, symbolizing the cycle of creation and dissolution. This vibrant festival attracts millions, showcasing art, music, and community spirit, while also emphasizing themes of devotion and the impermanence of life.