Lyric discussion by FlidaisKezia1028 

...this rebellion is so justified by Rostam, that they say they will strike mortals down with "sleight of hand" (magic/sorcery);

so unstoppable that anyone who "rides against [them] will be murdered where they stand;"

so great in vengeance against Shah-Jahan for shaming their village that they will make him pay with PAIN;

so driven that they would even go against God, believing that "if heaven rides against us then God himself must be damned!"

...ok I'll stop posting now =)

Actually, it says that Shah Jahan was growing ill (growing fat on the throne) while his son led a rebellion and executed the other successor. He wore a plumed turban (sixty feathers) and according to this song a ton of rings. He attained power through violence and deceit and lost it in the same way (those who plundered, pilfered, pillaged lives would now accept the blame), and brought the kingdom to it's greatest point while simultaneously marking its downfall. It may refer to a radical change in religious belief (and if heaven rides against us God himself...

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