Bangalore, DHNS: The Ganigarike Rashtriya Horata Samiti (GRHS) on Thursday demanded a CBI probe into the alleged illegal mining activities in Karnataka by Andhra Pradesh-based Obalapuram Mining Company (OMC) owned by G Janardhan Reddy, Minister for Tourism and Infrastructure Development. The GRHS, along with a group of NGOs, demanded the immediate expulsion of the minister for his alleged mining activities and its ill-effects in Bellary district. The organisations have demanded the Governor