How many movies have P G Viswambharan and Shyam collaborated on?

They have worked on 13 movies together! Their first movie together was Kadathu (1981) while their highest rated movie together was Ee Lokam Ivide Kure Manushyar (1985). They have not worked together since Irrikku M.D. Akathudu (1991). They are most known for their drama films together.