India, March 19 -- Indian shares may open flat to slightly lower on Wednesday amid reports of fault lines emerging in ongoing U.S.-China trade talks.

The dollar firmed up ahead of the Fed's interest-rate decision while oil retreated from a four-month high on concerns that trade talks between the United States and China have stalled.

Benchmark indexes Sensex and the Nifty climbed 0.7 percent and 0.6 percent, respectively on Tuesday to extend gains for a seventh straight session, while the rupee snapped its six-day rally to end down by 43 paise at 68.96 against the dollar.

Global brokerage Goldman Sachs upgraded its view on India to "overweight" and placed a 12-month target of 12,500 for the Nifty, citing better Q3 earnings and pick-up in ...