The prime minister also announced Rs 50,000 for those seriously injured.
"The incident in Bharatpur has pained me beyond words. My thoughts are with the families of the deceased. I hope the injured recover soon," he said.
Modi announced an ex-gratia of Rs 2 lakh each from the Prime Minister's National Relief Fund (PMNRF) for the next of kin of those killed, the PMO said.
Twenty-three people, including four children, were killed and 27 injured when a wall of a marriage hall collapsed during a heavy storm in Bharatpur yesterday.
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