Tanha Farmin started out in the film industry as an assistant cinematographer, working with the likes of Santosh Sivan, Alphonse Roy and Tushar Ray early on in her career. Gulaab Gang (2014), Zid (2014) and Katti Batti (2015) are some of the Bollywood movies she worked as an assistant cinematographer in. Notable among Tanhas movie credits as an independent cinematographer is the 2018 Bollywood drama Billu Ustaad.