"As members of august bodies like Parliament, the country expects dignified behaviour from all of us," he tweeted.
Prasad said he is "deeply distressed" over the Delhi airport incident involving the MP.
His tweets, however, did not name Gaikwad.
Yesterday, Gaikwad had repeatedly beaten a 60-year-old Air India duty manager with sandals as he was upset over not being able to travel business class despite having insisted on boarding an all-economy flight.
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