Futures contracts of coriander on NCDEX extended losses and hit a five-week low of 5,415 rupees per 100 kg because of increasing pressure of new crop arrivals. The most active April contract of coriander on NCDEX ended at 5,422 rupees per 100 kg, down 1.1% from the previous close. Weak demand from domestic retailers and exporters also weighed on prices.