Four (two former) senior students of the same college-were arrested for allegedly abducting a 19-year-old from his hostel in the city and later demanding a ransom of Rs 50,000 for his release, police said on Monday.

The victim, a first-year BBM student, was abducted by the accused on April 11 at around 7.50 pm near his hostel in BTM Layout, they said. However, the Madiwala police foiled the plan within four hours and rescued the kidnapped student, a native of Odisha, police said.