He has sung in Hindi, Odia, Bengali, English, Gujarati, Kannada, Maithili, bhojpuri, Malayalam, Manipuri, Marathi, Nepali, Tamil and Telugu till date. He has recorded Romantic, Rock, Devotional, Ghazal and Patriotic songs. Nigam has launched his own music label on 30 July 2020 named 'I Believe Music' and 'Rudhrashtakam' is the first track to release under the label. Nigam had changed his name to Sonu Niigaam citing numerology beliefs, but later decided to go back to his birth name. He married Madhurima Mishra on 15 February 2002. He was trained by Hindustani classical singer Ustad Ghulam Mustafa Khan. He moved to Mumbai with his father to begin his Bollywood singing career at the age of 19. Nigam began accompanying his father on his singing appearances at weddings and parties. Nigam began singing at the age of four, when he joined his father Agam Kumar Nigam on stage to sing Mohammed Rafi's song 'Kya Hua Tera Wada'. His sister Teesha Nigam is also a professional singer.
His father was from Agra and his mother was from Garhwal. Sonu Nigam was born on 30 July 1973 to Agam Kumar Nigam and Shobha Nigam in the city of Faridabad, Haryana. Sonu Nigam with wife Madhurima Nigam at Rakesh Roshan's birthday, 2017
