Coal and Organic Petrology Lab, Centre of Advanced Study in Geology, Banaras Hindu University, Varanasi,Uttar Pradesh 221005, India;
Coal and Organic Petrology Lab, Centre of Advanced Study in Geology, Banaras Hindu University, Varanasi,Uttar Pradesh 221005, India;
Coal and Organic Petrology Lab, Centre of Advanced Study in Geology, Banaras Hindu University, Varanasi,Uttar Pradesh 221005, India;
Coal and Organic Petrology Lab, Centre of Advanced Study in Geology, Banaras Hindu University, Varanasi,Uttar Pradesh 221005, India;