Niren said, "Once Biren said, 'Have you done this?' "

1.	Niren said, "Once Biren said, 'Have you done this?' "
Answer» It is also correct but I would suggest Niren said, "Once Biren said, 'Have you done this'?"

Answer»

It is also correct but I would suggest

Niren said, "Once Biren said, 'Have you done this'?"

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