Despite the rout, Arthur was confident that his youthful Pakistan team would come back stronger.
"It was a poor display from us coming off such a high at Lord's as we are all about getting our consistency right and trying to play in the right style," Arthur told Sky Sports.
"We'll talk about it, we'll have a hard discussion - we need to dish out a couple of hidings! But they are gutted and if they learn from this, hopefully they can grow and grow quicker."
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Pakistan, who beat Ireland in a test last month, will conclude their tour with two Twenty20 internationals against Scotland on June 12 and 13.
(Reporting by Aditi Prakash in Bengaluru; Editing by Peter Rutherford)
