P.C. Parakh, former coal secretary; Narendra Taneja, energy expert; Partha S Bhattacharyya, ED of Deepak Fertilisers and Petrochemicals, and former chairman of Coal India; Gokul Chaudhri, leader of energy and infrastructure industry practice at BMR Advisors, and Anil Razdan, former power secretary, discuss what ails India's coal sector on the backdrop of the second meeting of the Cabinet Committee on Investments.