Babu Janardhanan pens the script for Calender which will feature Prithviraj in the lead. Calender will mark the debut of character actor Mahesh as director. Prithviraj"s heroine is Navya Nair. Other cast members include Mukesh, Jagadheesh, Jagathy, Vijayaraghavan, Mallika Sukumaran and Suraj Venjaaramoodu.
Calender will be Prithviraj"s Vishu release. His recent movies Thalappavu and Thirakkatha were not too good in collections. Calender will start shooting in Kottayam this week.