All three were third-year students of an engineering college at Gudlavalleru, and were heading for Machilipatnam.
The car overturned because of overspeeding and fell into drain, killing Sainadh (19) and Naveen (19) on the spot, police said. Both hailed from Machilipatnam.
The injured student was admitted to Machilipatnam Government Hospital and his condition was said to be stable, said assistant police sub-inspector N Subba Rao.
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