Udyan Sagar, better known by his stage name Nucleya, is an Indian electronic music producer.

In 1998 he co-founded Bandish Projekt with Mayur Narvekar and Mehirr Nath Choppra. In 2007, Udyan left Bandish Projekt after working with Mayur for about 12 years, and rebuilt himself as “Nucleya”. After leaving Bandish Projekt his career struggled quite a bit initially. He drew inspiration from South Indian film music. and Indian street music, and released his first EP “Koocha Monster” in 2013. In 2015, Nucleya launched his debut album, “Bass Rani”, at a Ganpati visarjan on the streets of Mumbai.2016 marked the release of “Raja Baja”, and 2019 marked the release of “Tota Myna”. In 2021, he released an EP titled “Baaraat” in collaboration with Ritviz. His songs have been popular in the independent music scene in India.

Nucleya, in collaboration with AIB, hosted and picked the winners of Bacardi House Party Sessions in 2017. He has also been a judge on the hip hop reality show MTV Hustle. He has performed at EDC Las Vegas and Mexico, the Bacardi NH7 WeekenderSunburn Festival, Zomaland by ZomatoVh1 Supersonic and YouTube Fanfest. He has opened for and performed with SkrillexMajor LazerDJ Snake and Krewella.