Why model is not accessible inside controller while accessible in handlebar template?

Why model is not accessible inside controller while accessible in
handlebar template?

References

Reference NO 1

http://stackoverflow.com/questions/15199600/why-model-is-not-accessible-inside-controller-while-accessible-in-handlebar-temp

Reference NO 2

http://stackoverflow.com/questions/16802716/filter-certain-elements-in-ember-listview-jsfiddle-inside

Reference NO 3

http://stackoverflow.com/questions/14346281/how-do-i-render-multiple-templates-into-a-template-and-set-the-models-for-those

Reference NO 4

http://stackoverflow.com/questions/15421581/pass-data-to-child-templates

Reference NO 5

http://stackoverflow.com/questions/17971394/how-to-access-computed-properties-in-a-child-controller-from-a-parent-resource

Reference NO 6

#EANF#

Reference NO 7

#EANF#

Reference NO 8

#EANF#