New Delhi, 13 November (NNS): The prices of big cardamom kainchicut improved by Rs 10 to Rs 1610/1660 per kg. Its new crop has  been started arriving constantly in the markets. On the other hand, the old stock has been available in the markets.  The demand of big cardamom showed uptrend in the domestic markets due to the starting of festivals and winter season during November  and December. The procurement seems constant in the local markets, wholesale buyers and the spics companies. The market may likely to remain high amid ongoing winter season.