Lyricist, writer, and director, Mudassar Aziz started his career in 2005 by penning down the lyrics of `Dillagi Mein Jo Beet Jaaye` from
Aashiq Banaya Aapne, following which he wrote the screenplay and dialogues of
Dil Diya Hai in 2006. The same year, he was associated with the Sushmita Sen-starrer
Zindaggi Rocks as its lyricist and dialogue writer. Making his directorial debut, Mudassar directed the Sushmita Sen, Ishita Sharma and Fardeen Khan-starrer romantic comedy
Dulha Mil Gaya, for which he also wrote the story and screenplay of along with the lyrics. In 2016, Mudassar wrote and directed the romantic comedy
Happy Bhaag Jayegi and later its sequel
Happy Phir Bhaag Jayegi (2018). In 2017, he wrote the script of the Kalki Koechlin and Richa Chadda-starrer drama
Jia Aur Jia, which also marked his debut as an executive producer. His 2019 release includes Pati Patni Aur Woh.