| Ranjith hails from a traditional Malayalam family based in Kerala. |
| Before entering the film industry as a story writer, he lived with film producer and director Alex I. Kadavil, who inspired him to pursue filmmaking. |
| He has acted in several Malayalam films, including Witness (1988), Kaalal Pada (1989), and Thirakkatha (2008). |
| Ranjith contributed as a story writer to movies like Orkkappurathu (1988), Georgootty C/O Georgootty (1991), and Krishnagudiyil Oru Pranayakalathu (1997). |
| He has directed notable films such as Nandanam (2002), Mizhi Randilium (2003), and Prajapathi (2006). |
| Additionally, he has produced films including Nandanam (2002), Thirakkatha (2008), and Puthan Panam (2017). |
