(From left) Botany professor of Sam Houston University, Texas, US, Madhusudan Choudhary, Patna University vice-chancellor Arun Kumar Sinha and registrar Vibhash Kumar Yadav with the memorandum of understanding (MoU) signed by the two institutions. The MoU, inked at Patna University’s Academic Council Hall on Saturday, would promote exchange of academic activities, especially research work, between the two institutions. Text by Anand Raj, picture by Nagendra Kumar Singh