As the treasury benches protested vehemently, the Speaker said Patil's remarks will be examined.
The NCP leader took digs at Modi, without naming him, while paying tributes to former prime minister Indira Gandhi.
A motion hailing Indira Gandhi on her birth centenary, tabled by Chief Minister Devendra Fadnavis, was being discussed.
"Patil has used this platform to defame a serving prime minister while talking about a late prime minister. Such tongue in cheek way of talking is unacceptable," Mungantiwar said.
Speaker Haribhau Bagde said, "Patil's speech will be examined and if found objectionable, these particular remarks will be expunged from record.
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