The fourth edition of dna Auto Expo came to an end on Sunday. Like the previous editions, this time too it was a roaring success with 12,000 visitors. The last day witnessed continuous footfalls of people with large number of families. Exhibitors had a busy day addressing the queries of the people. While the cars remained the key focus, bikes continued to enthrall the audience. All road vehicle designed by VGTI college students drew in appreciation from the visitors.