Second National Conference on Ground Control in Mining, October 14 and 15th, 1996, Calcutta, India, organised by Central Mining Research Institute (Council of Scientific & Industrial Research), supported by Directorate General of Mines Safety (Ministry of Labour).
Second National Conference on Ground Control in Mining, October 14 and 15th, 1996, Calcutta, India, organised by Central Mining Research Institute (Council of Scientific & Industrial Research), supported by Directorate General of Mines Safety (Ministry of Labour).