Avinash Mukherjee was born on 1st August 1997 into a traditional Bengali family. His father Dev Mukherjee had worked in this television industry and was very passionate about acting during his times. He used to stay in Noida as his father was working in Delhi. He has done his schooling from Somerville School situated in Greater Noida. Since childhood he had a dream to become an actor. Later he with his family shifted to the city of dreams Mumbai. His father took him on the sets of a Balaji Telefilms show when he was just 6 year old and it was there that he got an inspiration to work towards realizing his dreams.