Chapter 10 contains 9 HSN headings (4-digit codes) covering cereals.
Headings in Chapter 10
1001
WHEAT AND MESLIN
1002
RYE
1003
BARLEY
1004
OATS
1005
MAIZE (CORN)
1006
RICE
1007
GRAIN SORGHUM
1008
BUCKWHEAT MILLET AND CANARY SEEDS, OTHER CEREALS
1009
other