Hierarchy in Army...!!

Here, I am writing the hierarchy that i know in Army. Please comment and correct me wherever i am wrong.

1) Non Commissioned Officers:
Jawan--> Lanc Naik--> Naik--> Havaldar.

2) Joint Commissioned Officers:
Naib Subedar--> Subedar--> Subedar Major.

3) Commissioned Officers:
Gentleman Cadet--> Lieutenant--> Captain--> Major--> Lieutenant Colonel--> Colonel--> Brigadier--> Major General--> Lieutenant General--> General (Chief of the Army staff, generally).