Coal is a readily combustible black (or brownish black) sedimentary rock primarily composed of carbon. There are a various types of coal having different forms and significant variations in their qualit ..
CS – 36, First Floor, Ansal Plaza, Vaishali, Ghaziabad, U.P.
India Tel: +91 120 4130959 24/7 Helpline
Number: +91-8826830618