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Is there a key or something hidden in the shaft that is blocking the pull?
Other than the gunsmiths in the Khyber Pass...India is known for ship breakers (literally) and cheap steel tools, yes. But I don't think I'd invest time in grinding down and weakening the puller, if you can find a machine shop or autoshop they can probably pull that apart for $5-10 and IF there's something you aren't seeing that is holding it in place, sometimes the extra eyes are worthwhile.
Caveat on the grease: That URL for plumber's grease talks about an MSDS for teflon food-grade pipe dope, but shows a petroleum based product. They're confused and that's not a good thing.
With o-rings and lubes, the rings will fail if you use an incompatible lubricant. So, you don't use petroleum-based lubes on nylon and synthetics, you use synthetic (silicon, teflon, krytox) grease on them. Petroleum-based products often rot the synthetics, when in doubt you need to confirm what you've got. Rubber, Buna-n, silicone, all kinds of o-rings out there. (Yeah, go figure, grease ain't just grease and o-rings ain't just o-rings.)