Bangladesh, July 15 -- Sylhet Board of Intermediate and Secondary Education has issued show-cause notices to four teachers over what it described as "serious errors and inconsistencies" in the Higher Secondary Certificate (HSC) physics first paper question.

The four teachers were responsible for moderating the question paper used in eight education boards, excluding the Chattogram board.

Sylhet education board Examination Controller Prof Bilkis Yasmin said on Tuesday that the notices had been issued following instructions from higher authorities.

The teachers are Prof Md Mujibur Rahman of Sreemangal Government College, Assistant Prof Kazi Junayed Al Amin of Brindaban Government College, Assistant Prof Mochaddek Hossain Khan of MC Coll...