Desi chana should be uniform in size and shape, with a rough, wrinkled surface. The chana should be dark brown or black in color.
Desi chana should be free from live insects. The maximum allowable number of dead insects is typically 50 per kilogram.
Desi chana should have a maximum aflatoxin level of 20 micrograms/kilogram. Aflatoxins are toxins produced by certain molds that can cause serious health problems, including liver cancer.
Desi chana should be packaged in clean, dry, and undamaged containers.
