Background
He was born in Muzaffarpur, Bihar. His mother Arti Ranjan works as lecturer in Mukherjee Seminary, Muzaffarpur while his father Mukesh Ranjan is a manager in Punjab National Bank. He has done his schooling from the prestigious school of Muzaffarpur, Sun Shine Preparatory High School.
Nigam has lived his childhood in New Colony Sherpur, Muzaffarpur.
Career
He is best known as a playback singer in Hindi films, particularly for films like Dabangg. Aishwarya Nigam participated in the Music competition Sa Re Georgia Ma Pa Ek Main Aur Ek Tu 2006 for Zee television Nigam and Ujjaini Mukherjee were declared the winners on 24 June 2006. Nigam was one of the contestants of Jo Jeeta Wohi Superstar, a singing competition on Star Plus channel.
He represented the Champions team
He was eliminated on 25 April 2008. Aishwarya was one of the contestants of music competition show IPL Rockstar on Colors television channel.
He was among the top three finalists of IPL Rockstar. He is much inspired from Sonu Nigam: that made him keep title as "Nigam".
He sung the title track of Kitani Mohabbat Hai for seasons I and II, a daily soap on NDTV imagine.
He has worked with renowned music directors like Lalit Pandit, Anu Malik, Pritam, Sajid-Wajid, Shameer Tandon. He sung a song for the serial Dill Mill Gayye. Aishwarya is fondly known for singing the famous item song "Munni Badnaam Hui" from Salman Khan starer Dabangg.
He has sung "Maara re Sixer Maara Re Four" from the movie Ferrari Ki Sawaari, a movie by Vidhu Vinod Chopra.
The Hit Item number "Tere Mohalle" from the movie "Besharam" starring Ranbir Kapoor is also sung by Aishwarya Nigam.