"Duniya" is a popular song from the Bollywood movie Kedarnath, released in 2018. The song features the voices of Amit Trivedi and Kavita Seth, with music composed by Amit Trivedi himself. The lyrics, penned by Amitabh Bhattacharya, explore themes of love, longing, and the complexities of life. The song is visually represented in the film through a romantic sequence between the lead characters, played by Sushant Singh Rajput and Sara Ali Khan. Its melodic tune and heartfelt lyrics resonate with listeners, making it a memorable part of the movie's soundtrack.