How Many types of bees are found in a beehive?

The classification of the bees inside the hive is based upon their function/working inside the hive. Such that the bees are classified into 3 types inside a beehive. Or more precisely there are three castes of bees present inside a beehive. Which are:

⋆ Queen bee

⋆ Female worker bees,

⋆ Male drones bees.