The woman was allegedly gangraped by Santosh Biswal, an autorickshaw driver, and three of his friends - Manoj Kumar Sahu (28), Surendra Das (25) and Krushna Behera (20), near Tara Tarini temple at Purushottampur area on April 27, Ganjam DSP Damodara Lenka said.
The woman did not immediately reported the incident but lodged a complaint on May 5 after coming across the MMS, he said, adding that the four accused were arrested yesterday.
She was taken to Bhubaneswar and raped, Bhanjanagar Sub Divisional Police Officer R C Sethi said, adding that the girl has been rescued.