"the hand that mocked them,and the heart that fed".whose hand and heart has the poet reffered to in this line?
Hello, Koushik — and welcome to English Forums. An interesting question, and a grammar conundrum that I hadn't noticed. I presume it is the sculptor's.
Hi Mister Micawber

Is the poet reffering to the sculptor's hand and Ozymandias' heart?
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I think they both belong to the sculptor, but I'm no expert.
Can you just tell me why?
Thanks....sir ..........I got the answer.
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According to me it is the sculptor's hand and Ozymandias's heart.

It is the sculptor's hand which sculpted the statue drawing inspiration from Ozymandias's feelings( from his heart ).