kolkata limestone mining controversy in india
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2017 9 20 Jul 15, 2021 MGMI 2006 Limestone for steel making, Mining Geological and Metallurgical Institute of India MGMI, MGMI transactions, vol 103, No 1 & 2, Apr 2006–Mar 2007, pp 125–136. Technical paper by G Prabhulingaiah, MS Shekhawat, DS Acharya, AK Jaiswal, R Shankar, presented at MGMI paper meet on 28/03/2017 at MGMI Kolkata Google