The coal ministry will organise a roadshow in Ranchi to increase participation of investors in the commercial coal mine auction. Coal Secretary Shri Amrit Lal Meena will be the chief guest for the event while additional secretary M Nagaraju will be the guest of honour, the coal ministry said in a statement. "To enhance participation in commercial auction of coal mines, the Ministry of Coal is organising a roadshow at Ranchi on January 16," it said. The government launched the process for sale of 39 coal mines under eight rounds of commercial auctions and 31 under the ninth.