

For preparation, Thakur stayed at a brothel to study the body language of prostitutes. The film was released in September 2018 after various delays and featured her in the titular role of a village girl who brings to light issue of global human trafficking. In 2012, Thakur began work on the international film Love Sonia, for which she stayed at Kolkata. Her next Marathi film was Surajya, where she was seen as Dr. Thakur made her film debut with the Marathi film, Vitti Dandu, which released in 2014. Her final appearance on TV was with the Indonesian serial Nadin, where she was seen as Tara, after which she took a retirement from television. In 2016, She performed dance in a special episode of &TV's SauBhagyalaxmi and had a Guest appearance in Tuyul & Mbak Yul Reborn. Mrunal appeared as a Contestant on Box Cricket League 1 in 2014 and Nach Baliye 7 in 2015.

The show received mostly positive to mixed reviews from critics in critical reception. The show, co-starring Sriti Jha, Shabir Ahluwalia, Arjit Taneja, and Supriya Shukla, started airing on 15 April, and saw Thakur portray Bulbul Arora Khanna, a woman who along with her elder sister (played by Jha) helps their mother (played by Shukla) run a marriage hall. In February 2014, Thakur signed Zee TV's soap opera Kumkum Bhagya, for which she began shooting the following month. Later in 2013, Thakur appeared in an episodic appearance on the mystery thriller Har Yug Mein Aayega Ek – Arjun, in which she played a journalist named Sakshi Anand.

While attending college, Thakur signed a lead role as Gauri Bhosle opposite Mohit Sehgal in the Star Plus series Mujhse Kuchh Kehti.Yeh Khamoshiyaan.
