Gur futures prices fell by Rs 14 to Rs 999 per 40 kg today, following fresh selling by traders.
Tracking a weak spot market sentiment, traders booked profits at existing higher levels.
Reports of bumper crops production this year, too, forced traders to sell part of their positions, they said.
At the National Commodity and Derivatives Exchange, December gur prices weakened by Rs 14, or 1.38%, to Rs 999 per 40 kg, with an open interest of 6,230 lots.
The January contract followed suit and shed Rs 5.50, or 0.52%, to Rs 1,047 per 40 kg, clocking an open interest of 3,590 lots.