Aug 19, 2025, 13:39 GMT+7RefinitivLess than 1 min read (Reuters) - Nifty 50, Sensexrise ~0.35% each, led by 2.2% rise in Reliance Industrieson upbeat brokerage commentary, prepaid tariff changes ** Auto stocksadd 1.2%, extending Monday's 4.2% gains, on hopes of demand boost from GST cuts ** Twelve o