``The Indian market is likely to open positive on the back of positive global cues. The Sensex has supports at 17,730 and 17,640 and resistances at 17,890 and 18,000. The Nifty has supports at 5,300 and 5,280 and resistances at 5,350 and 5,380,`` said stock broker ICICI Securities while commenting on the market outlook.
Sensex has supports at 17,730 and 17,640: