| Ranu Mondal was born in Krishnanagar, West Bengal into a financially struggling family. | 
| She spent her childhood primarily at her aunt's house in Ranaghat, West Bengal after losing her parents at a young age. | 
| From a young age, she had a strong interest in music. | 
| During her childhood, she would listen to and sing along to the songs of Mohammed Rafi, Mukesh, and Lata Mangeshkar. | 
| She got married to her neighbor, Bablu Mondal, when she was 19 years old. | 
| Following her marriage, she and her husband Bablu moved to Mumbai in search of job opportunities. | 
| In Mumbai, her husband worked as a cook at Feroz Khan's house. | 
| Initially, she took on various odd jobs in Mumbai. | 
| Later on, she worked as a singer at a local club, earning the nickname 'Ranu Bobby'. | 
| After some time, she left the club job due to her husband's disapproval. | 
| Following her ex-husband's passing, she faced depression and returned to Ranaghat. | 
| In Ranaghat, she sang at the railway station to make a living due to financial struggles. | 
| In July 2019, Atindra Chakraborty shared a video of her singing a Lata Mangeshkar song on Facebook after spotting her at Ranaghat Station. | 
| After gaining attention, many people offered her food, and a local salon gave her a free makeover. | 
| She was honored by the local government during the Kanyashree Divas celebrations. | 
| Ranu performed as a guest on "Superstar Singer" singing "Ek Pyaar Ka Nagma Hai" and received high praise. | 
| When asked why she sang at the station, she revealed her lack of a home and sang to earn money. | 
| Impressed by her talent, Himesh Reshammiya offered her a chance to sing a commercial song for him. | 
| Her Bollywood debut was with the song 'Teri Meri Kahani' in the film "Happy Hardy and Heer" in 2019. | 
| Himesh reportedly paid Ranu an amount between Rs. 6-7 lakhs for her first Bollywood song. | 
| Ranu Mondal is an avid fan of Lata Mangeshkar. |