Cardamom February futures declined by Rs 7.30, or 0.71%, to Rs 1,020.20 per kg in 345 lots.
At the Multi Commodity Exchange, the January contract fell by Rs 5.80, or 0.58%, to Rs 981.80 per kg in 327 lots.
Speculators reducing their positions, weak spot market and increased supplies affected the cardamom futures.