Futures contracts of coriander on the NCDEX are marginally down as investors booked profits after prices hit a two-week high in early trade. Coriander prices unchanged in the benchmark market of Kota as a rise in arrivals in markets of Rajasthan is offset by a rise in demand. Arrivals in Rajasthan are pegged at 5,000 bags (1 bag = 40 kg), up 1,300 bags from the previous day.