In the year 1945, she happened to meet the film producer S. Mukherji through Ghulam Haider. Haider personally wanted her to be given an opportunity to show her singing talent. However, S. Mukherji did not like her voice and said no for giving her a chance to sing for his film. At that point of time, Haider promised himself to establish her singing career in Bollywood. He even said to the producer that, one day will come when all the producers and directors will fall on her feet and beg her to sing in their films.Lata got her biggest break, when she was given the chance to sing the song Aayega Aanewaala for the movie Mahal. The song was a super duper hit. The period of 1950s witnessed tremendous growth in her career. She rose to the top in the list of Bollywood singers. She worked with all the famous composers of that era like Shankar Jaikishan, S D Burman, Naushad, Hemant Kumar, and Salil Chowdhury. Shankar Jaikishan was absolutely stunned by her voice and used her voice for playback singing in almost all the movies that he got.
The period of 1960s made her the queen of Bollywood playback singing. She sang for almost all the prominent composers of the industry and set her foothold in Bollywood. Her songs got an overwhelming response from people all over the country. During the 1970s, Lata recorded songs for Bollywood actress Meena Kumari in the film Pakeezah, which brought her recognition and popularity. She performed tracks for S.D. Burmans films like Prem Pujari, Sharmilee, and Abhimaan.In late 1970s and early 1980s, Lata Mangeshkar worked with the children of the music composers, with whom she had worked in the past. In the year 1990, Lata established her own production house. Their first and last film Lekin was a total flop. Mangeshkar has also sung some non film songs including ghazals with Jagjit Singh. Lata Mangeshkar has also sung for Yash Chopra`s films including Lamhe, Dilwale Dulhaniya Le Jayenge, Darr, Yeh Dillagi, and Dil To Pagal Hai. She sang quite a number of Bengali songs with renowned music directors like Salil Chowdhury and Hemant Kumar.