Renji scripted several films for Shaji Kailas, including Dr. Pasupathy (1990), Thalastaanam (1992), Sthalathe Pradhana Payyans (1993), Ekalavyan (1993), Mafia (1993), Commissioner (1994), and The King (1995).
The Renji Panicker-Shaji Kailas team elevated Suresh Gopi into a bankable lead actor during the early 1990s.
[4] While interviewing director Shaji Kailas, for a film magazine in 1990, he was impressed by Renji's language and asked him to do a script for him.
Sthalathe Pradhana Payyans completed 150 days in theatres, establishing Renji Panicker as one of the leading script writers in Malayalam cinema.
Directed by Kailas, Ekalavyan was an action thriller revolving around the unholy nexus of drug mafia-godmen and politicians.
Appearing in the lead role of a police officer, Suresh Gopi established himself as the next star of Malayalam cinema.
Directed by Kailas with Gopi as hero, it was released in 1993, making Renji the most expensive script-writer in Malayalam film.
Renji's second directorial attempt was Roudram, released in 2008, with Mammootty in the main role, Another police story, this film was a box-office success.
[7] Renji's next project was The King & the Commissioner in which Mammootty and Gopi played the lead roles, Joseph Alex I.A.S.
This film had many expectations, as Mammootty and Gopi were reuniting after many years as were Kailas and Panicker,[8] it becomes a blockbuster and commercial success.
[citation needed] Panicker's dialogue in Lelam is based on a real-life character while the jingoistic and valorised protagonists in Commissioner (1994) and The King (1995) are considered timeless classics for Malayalam cinema.