Coal & Organic Petrology Lab, Centre of Advanced Study in Geology, Banaras Hindu University,Varanasi 221005, Uttar Pradesh, India;
Coal & Organic Petrology Lab, Centre of Advanced Study in Geology, Banaras Hindu University,Varanasi 221005, Uttar Pradesh, India;
Coal & Organic Petrology Lab, Centre of Advanced Study in Geology, Banaras Hindu University,Varanasi 221005, Uttar Pradesh, India;
Coal & Organic Petrology Lab, Centre of Advanced Study in Geology, Banaras Hindu University,Varanasi 221005, Uttar Pradesh, India;
Coal & Organic Petrology Lab, Centre of Advanced Study in Geology, Banaras Hindu University,Varanasi 221005, Uttar Pradesh, India;
Rajiv Gandhi Institute of Petroleum Technology,Rae Bareli 229316, UP, India;