With nominal conjunct verbs, if an adverb or postpositional phrase is used with the verb, it usually comes between the noun and करना.
तुम झगड़ा किस बात पर कर रहे हो – “What are you fighting about?”
मुझे पता नहीं कि लीची की तुलना किस दूसरे फल से करूं – “I don’t know which other fruit I should compare leechi with”