The Indian equities benchmark opened at a flat note on Wednesday as indicated by the SGX index. At 9:18 am, the 30-share BSE Sensex was trading 102 points or 0.19 per cent lower at 52,615, whereas the NSE Nifty 50 index declined 13 points or 0.09 per cent at 15,695, ahead of the crucial US Federal Reserve meeting. The Fed is likely to hike the repo rate by 75 basis points to tame inflation.