 Other LSSP members (Hector Abhayavardhana, Doric de Souza, Leslie Goonewardene, Vivienne Goonewardene, Karalasingham, Allan Mendis and Bernard Soysa) stayed behind in India to build up the BLPI.Karalasingham was editor of the Culcutta based "Permanent Revolution" between 1943 and 1945.He and de Souza were arrested in Bombay in March 1945, deported to Ceylon and imprisoned in Badulla.