Not getting Admit card for MT_recruitment

Name of company/service: Coal India Limited

I applied for Management Trainee under mining stream.Me and my frnd got same registration numbers.Now I am unable to download my admit card.It showing an error “sorry,record is not found.pls check the inputs again”.My frnd got his admit card but with my photograph.I even called them and mailed them regarding this issue. but they are not responding.Only 2 days left for the exam.Pls rectify my problem