That’s how you say it in Farsi, too! You’re already halfway there.
And I've been picking up some Urdu lately too.
I mean, this idea isn't completely implausible, but it would mean Ayyub Khan and any subsequent government would have to abandon Pakistan's raison d'être in favor of a Kemalist western-oriented secularism.
Wasn't there a similar movement for romanization in 1920s/30s Iran, but never gained ground because the Shi'a clerical establishment and the bulk of the population had little interest?