MUMBAI: The Indian rupee has opened flat at 64.01 per dollar on Friday against previous day’s closing value of 64 a dollar. The currency immediately showed some recovery in early trade, up 6 paise at 63.94 a dollar. Pramit Brahmbhatt of Veracity said, “Today also local equities are expected to trade weak as Asian markets have already opened weak for the day taking cues from concerns raised over Greece issue.”