The farmers four-hour 'rail roko' protest over the three farm laws had "minimal or negligible" impact on train operations across the country and passed off without any untoward incident, railway officials said on Thursday.

Railway Ministry spokesperson DJ Narain said, "The rail roko agitation passed off without any untoward incident. There was negligible or minimal impact on running of the trains across the country. He said that the train movement in all the zones is normal now.