Interesting note from you, I don't know if any tactics exist in the Pakistani Military for the Urban warfare, I have never observed something like that,I have just observed the open field exercises, Pakistani tactic is something like infantry is running between the Tanks, but not walking in formations like the soviet or chinese doctrine..
@Dazzler can sheet light on this interesting thing.
In front of the Tanks in an open and bright-line:
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Can't see any tactic which they follow here :
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lose lines behind the Tanks :
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The Soviet (NVA east German) style, if you don't want to watch the full length, then watch from 02:23-03:53
My notice: running behind the Tank and taking cover behind it, then swarming out to the left or right or both and storming the enemy lines.
The Pakistani tactic, notice the Infantry storm between the Tanks: