The Indian equity benchmarks are set to open sharply lower as indicated by the Nifty Futures traded on Singapore Exchange amid weak global cues. Nifty Futures on Singapore Exchange also known as the SGX Nifty Futures fell 0.93 per cent or 165 points to 17,635. Asian share markets and U.S. futures fell on Friday, after U.S. stocks took a knock overnight, hurt by lingering concerns over the Federal Reserve's tightening and weaker-than-expected economic and earnings data.