Both have been released after police found nothing against them, he said.
A senior police officer said two people were detained for a few hours after they tried to misbehave with the Chief Minister during a function but denied that they were mentally tortured and harassed.
A family member of Suresh Kumar, on condition of anonymity, said their "crime was that they dared to put genuine questions before the Chief Minister in connection with entrepreneurship. It has sent a negative message about Bihar police," he said.
Get the latest election news, live updates and election schedule for Lok Sabha Elections 2019 on ndtv.com/elections. Like us on Facebook or follow us on Twitter and Instagram for updates from each of the 543 parliamentary seats for the 2019 Indian general elections.