KALABURAGI: Chief Minister Siddaramaiah on Sunday said audio and video evidence exists to prove that BJP MLC CT Ravi used derogatory remarks against Women and Child Development Minister Laxmi Hebbalkar on the floor of the Council in Belagavi on December 19. Speaking to the media in Kalaburagi, Siddaramaiah said that the words used by MLC CT Ravi against minister Laxmi …