Tata Motors' first quarter earnings missed analysts' expectations on all parameters. One-time gain related to JLR pension plan boosted profitability but excluding that one-off item, it would have been in a loss at PBT before forex gain/loss level. Consolidated profit grew sharply by 42% to Rs 3,200 crore for first quarter ended June 2017, driven by one-time gain of Rs 3,609 crore relating to recent changes designed to improve the sustainability of JLR's defined benefit pension plans. Revenue on consolidated basis declined 10% to Rs 58,493 crore due to translation impact from British pound to rupee. The company incurred a loss of Rs 515 crore at PBT before forex/EO level vis a vis a gain of Rs...