The holi for the Khalsa is stated in the following pangtee
ਗਿਰੇ ਬੀਰ ਭੂਮੰ ਸਰੰ ਸਾਂਗ ਪੇਲੰ ॥ ਰੰਗੇ ਸ੍ਰੌਣ ਬਸਤ੍ਰੰ ਮਨੋ ਫਾਗ ਖੇਲੰ ॥
Pierced by arrows and spears, the warriors fell on the battleground.
Their clothes were besmeared with blood, as if they had played Holi
(Siree Akaal Ustat)
Holla Mohalla is to show their Martial Skills in war games