Rajahmundry MP Vundavalli Arun Kumar on Thursday inaugurated District Science Fair at Bala Vignan Mandir School here. Presiding over the meeting, district education officer Srinivasula Reddy said that there was a lot of change in the way science fairs were conducted in recent years and students were getting latest models by browsing the internet. MLC from teachers’ constituency Chaitanya Raju said because of guidance from teachers, students were giving best models.