Sub-inspectors are assisted by assistant sub-inspectors (ASIs), who may also be in charge of "chowkies," under them are head constables (senior constables), who lead teams of constables.
Sub-inspectors are assisted by assistant sub-inspectors (ASIs), who may also be in charge of "chowkies" and are the equivalent (in role) of UK police sergeants. Under them are head constables (senior constables), who lead teams of constables.