The correct options are
B Karnataka Vidhyavardhaka Sangha
C Kannada Sahitya Parishad
D Karnataka Ekikarana Sabha
The need for integrating all the Kannada-speaking territories was widely felt in the Karnataka region. This movement found roots in the Bombay Karnataka (now Maharashtra-Karnataka border) region. Many institutions were setup for the same purpose. Some of these included the Karnataka Vidhyavardhaka Sangha (1890), the Kannada Sahitya Parishad (1915), and the Karnataka Ekikarana Sabha (1916) .