Ravi was seen on the dais with Chennithala at a meeting held at Tripunithura in Ernakulam.
The September 23 directives were in continuance of the May 8, 2019 demolition order of apartments in Kochi's Maradu.
The Kerala government has entrusted the National Centre for Earth Science Studies, Thiruvananthapuram, with the task of preparing the map.
According to a report published by Kerala Coastal Zone Management Authority (KCZMA), there are 61 major CRZ violations by private companies and individuals.
The allegation was raised by the wife of actor Kannan Pattambi, the brother of Malayalam director Major Ravi.
Major Ravi will be playing Gokul Suresh's father in the movie.