Dealers say trading happening on low volumes as year-end approaches.
Inflows from Power Grid share sale, which opened on Tuesday and closes Friday, will be watched. Dealers estimating between $200-$300 mln inflows on account of share sale.
Foreign funds continued to be buyers of $82.91 million in equities on Tuesday, provisional data showed.
Asian currencies are mostly trading flat-to-marginally weak.
The yen was squeezed higher across the board early in Asia on Wednesday, enjoying a bit of a reprieve as investors locked in profits ahead of major risk events including U.S. jobs data due later in the week.