The Oil and Natural Gas Corporation has awarded a contract worth Rs 1.5 billion to Deep Industries Limited. The order pertains to charter hiring of two 1,000 HP mobile drilling rigs for a period of three years. Deep Industries is engaged in the business of prospecting, exploring, developing, opening and working mines, drilling and sinking shafts or wells and pumps, and refining, digging and quarrying coal bed methane, minerals, ores and gases such as methane gas.