Andhra Board Intermediate Certificates are provided by website bieap where you can register yourself for academic certificates.if you don't get your OTP don't worry there is another option available through which you can get OTP in your email kindly open tab contact us in BIEAP website. There you can see respected email addresses for respected departments. You will find a mail address mentioning "drop mail for online OTPs" there you can send your acknowledgement number and the documents for which you applied they will send you otp on your mail within 24 hours.