LAHAN: The Central Investigation Bureau (CIB) has started its investigation into the recent incident relating to the leak of question paper of science subject in Saptari district in State No 2.

The question papers of Compulsory Science and Social Studies were made public before the examination had started.

Federal Minister for Education Giriraj Mani Pokharel on last Friday had taken the decision to entrust CIB for the investigation into this irregularity.

The four-member team led by Deputy Superintendent of Police (DSP) has already started their probe, according to the Superintendent of Police at the District Police Office, Saptari, Rajendra Bista.