These are provisional keys. In case of any complaint about the questions/answers, the candidates are given maximum 5 (five) days time after display of provisional key, to lodge his/her complaint before the Office of Controller of Examinations, either by hand or through email to controller@bhu.ac.in. For example, the last date of registering a complaint for a key displayed on12th June 2012, will be 17th  June, 2012. The evaluation will be done with key finalized after considering the complaints and no request for review will be entertained there after. The decision of the University regarding questions/answers will be final.