Kirtipur, Dec 25: Tribhuvan University, the oldest university in Nepal, is holding its 51st Convocation Day today.For the first time in its history, TU has been able to secure the presence of Nobel laureate Prof Kajita Takaaki as the Chief Guest, according to TU Vice Chancellor Prof Dr Deepak Aryal.Kajita is a distinguished university professor from Japan. He had received Nobel Prize in 2015 in physics.Vice Chancellor Prof Dr Aryal informed that all preparations were complete for the ceremony today.As many as 16,380 university graduates are being ordained in the convocation. The event is being attended by 41,000 people, including...