Bajrang Dal activists targeted four Muslim men at a Bhopal college Garba event on Sunday night.
The Bajrang Dal men claimed that the four men, 2 of whom were the students of Oxford college where the event was organised, were promoting "love jihad" at the dance fest.
The four were later detained by police.
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Elsewhere in MP's Ratlam, the Vishwa Hindu Parishad has put up posters prohibiting the entry of "non-Hindus" in the Garba pandals during the ongoing Navratri festival in Madhya Pradesh's Ratlam district.
The VHP said it has placed the posters stating the "entry of non-Hindus is prohibited" across 56 pandals.
The rightwing group alleged that non-Hindu men indulge in objectionable activities by entering the garba pandals where dance is performed hailing Goddess Durga.
The entry of non-Hindu youths had led to controversies at many places last year. "By putting up such posters, non-Hindu people are being told not to enter the garba and Durga pandals so that such incidents can be avoided,” the VHP said.
Ratlam SDM Abhishek Gehlot said the administration has not received any complaint in this regard.