Re: Martial Races of sub-continent
That is true. The religion again played part in turning Punjabi Sikhs becoming fearless warriors eager to defeat the non-khalisa.
*raaj kare ga khalisa
baaqi rahe na ko.
*
Same religious zeal which turned insignificant Arabs into conquerors of the world in Islam’s early era.
Interesting thing about Sikh rule is that present boundary between Pakistan and Afghanistan is defined by the extent of the Sikh Empire. Had Sikhs not captured Peshawar, it would still have been under Afghanistan.