Hridayarppanam is a tribute to Shri. Parameswaran Pillai, Retired Head Master of Edappally V M School, largely a collection of poems by his students, notable among them is Chengampuzha Krishnapilla, who went on to become a famous Malayalam poet. The book also has letters written by some of eminent men in the society in connection with the retirement of Shri. Parameswaran Pillai