Cardamom fututres for April rose Rs 8, or 0.81%, to Rs 991.80 per kgin 153 lots.At the Multi Commodity Exchange (MCX), the March jumped by Rs 6.60, or 0.69%, to Rs 959 per kg in 822 lots.Prices surged as speculators created fresh positions tracking a firm spot market demand.Less arrivals from producing regions also supported the uptrend in cardamom futures.