Mining Companies I've worked for Hindustan Zinc Limited, Hindustan Copper Limited, Bharat Gold Mines Limited, Kolar Gold Fields, Rajsthan State Mineral Development Corporation, Rajasthan State Industrial & Mineral DevelopmentCorporation, Khetri Copper Complex, Malanjkhand Copper Project, Kolihan Copper Mines, Mahi Graphite Project Rajasthan, Rajasthan Felspar Project Dungarpur, Rajasthan. N G Nair, Mining Consultant India on Indian Mining Legislation. My experiment with Attitudes and Job Satisfaction. Mine Plan and Mine Design N G Nair Mining Engineer India. My association with metalliferous in India for the last 35 years. N G Nair India.