The blue-chip Nifty 50 index was up 0.11 percent at 18,738.85 as of 9:16 am, while the benchmark S&P BSE Sensex was up 0.07 percent at 63,180.33. Indian shares opened higher on Wednesday, with benchmarks getting closer to all-time highs on rising odds of an interest rate pause by the US Federal Reserve after inflation fell to a more than two-year low in May.