Violent protests erupted on Monday during a nationwide ‘Bharat Bandh’ called by dalit outfits against the alleged dilution of the SC/ST (Prevention of Atrocities) Act, leaving four people dead and many injured in Madhya Pradesh and disrupting normal life in many states.While some states ordered closure of educational institutions and curtailed communication and transport services, including rail, incidents of arson and vandalism were reported from Madhya Pradesh, Rajasthan, Utar Pradesh, Bihar and Punjab, among other states.