Final answer:
The person in question who was blamed for 9/11 and pushed to his death is Sunando Sen, an Indian immigrant in New York.
Step-by-step explanation:
The individual referred to in the statement "Mistaken for Arab and blamed for 9/11, he was pushed to his death from a subway platform" is D. Sunando Sen. Sunando Sen was an Indian immigrant in New York who was tragically mistaken for an Arab and killed in December 2012 in an act of hate after being pushed onto a subway track. This case highlights the tragic consequences of hate crimes and the aftermath of the 9/11 attacks, where individuals from certain backgrounds were unjustly targeted due to their perceived ethnicity or religion.