NEW DELHI/MUMBAI, March 21 -- India's plan to bring its steel industry under a domestic carbon trading market has slowed after inconsistencies surfaced in emissions data collected from steel plants, forcing the government to reverify the baseline needed to set reduction targets and allocate credits, said two steel ministry officials in the know. The Centre had gathered emissions data from about 70 plants to establish a baseline. However, a review found mismatches between reported emissions and fuel use or production levels at some units, while others used differing calculation methods. In some cases, steel firms also raised concerns over how emission levels were determined. Since emission limits and credit allocations depend on this baselin...