In Gujarat, a state in western India, at least 141 people perished when a pedestrian suspension bridge gave way.
One of the hospital's doctors claims that some physicians arrive late, anything from 30 to 45 minutes.
Akhilesh Yadav, a teacher at the coaching facility Jeju Institute in Itanagar, as well as unnamed APPSC employees have been detained by the agency in connection with the probe, which was opened after the state government made a referral.