New Delhi, June 3 (IANS) The Central Bureau of Investigation (CBI) detained nine people here and filed a case over alleged manipulation in exams for a post-graduate course at the All India Institute of Medical Sciences, said an official Friday.

 
 “Nine people were detained form various places in the national capital region Thursday and Friday. The CBI raided 10 places across the capital,” said the officer.
 
 “These people allegedly used to take bribes from candidates for manipulating answer sheets for them,” added the officer.