Kerala Sastra Sahitya Parishad is a People's Science Movement of Kerala, India. Founded in 1962. It started it's works at the science society interface with about 40 members as an organisation of science writers in Malayalam. Over the past four decades it has grown into a mass movement with a membership over 40000, distributed in more than two thousand units spread all over Kerala.
KSSP is the India's largest science publisher, having published more than 1,000 titles and producing 30-40 new titles per year. KSSP is also publishing three Science Magazines seperately for primary school students, high school students and the general public. KSSP also organises every now and then massive lecture campaigns on a variety of topics and each campaign will result in several thousand lectures, which reaches out to hundreds of thousands of people.