India, July 14 -- An engineer and her sister have been arrested for allegedly cheating in the Chhattisgarh VYAPAM Sub-Engineer recruitment exam in Bilaspur on Sunday, police said.

Electronic devices including a hidden camera, miniature earbuds and a walkie-talkie set that were used to transmit images of the question paper and receive answers, have been seized from the two sisters identified by the police as Annu Surya, who had an engineering degree from the state's Korea district, and her sister Anuradha Surya.

The case came to light after members of the Congress's students wing, National Students' Union of India (NSUI) received a tip about a woman, later identified as Anuradha, using the electronic devices under suspicious circumstance...