He entered politics through All India Students Federation (AISF), as Unit Secretary of AISF in Vaikom Government Boys High School. He also elected as Union Chairman of St. Pauls College, Kalamassery. He was elected as Member of Kerala University Union and Syndicate member of Cochin University of Science and Technology. Later he became State President and All India Secretary of AISF. He also was elected as State Secretary of All India Youth Federation (AIYF). He served as Vice President of World Federation of Democratic youth and also Head of its Asia Pacific Commission. He became a CPI member at the age of 18. He was Member of National Council of CPI during the period 1992–98. He also served as Kerala Agricultural University Senate Member and Director Board Member of KTDC.
He received several prizes in elocution and essay writings in university youth festivals and intercollegiate debates. He won "Ambassador of Friendship Among World Youth Award" instituted by the Young Communist League of the Soviet Union. He also received "Banner of Youth Unity" and diploma awarded by the World Youth Federation.
Binoy is married to Shaila. Shaila is working in Nottingham University as a creative writer. The couple is having two daughters Reshmi & Surya.Reshmi is working in Hindu & got married to Shamsudeen working in Deshabimani. Surya is a law graduate from Colombia University.