In the present recent studies have given that Blockchain is been more helpful in the well being of counties technology mainly with respect the eGovernment updation in technology like e-voting, smart city concept and many more. Just like that the notarial office certificate issuing is the part of e-government which place an important role in ones life. So, this could be done easy with the Blockchain Technology (BT). We propose an AES Encryption and decryption method of file storing and mongo DB which is used for the status and information of the application submitted will be stored. In the existing System of the notarial office is old method in which the user as to hardcopy of the application for required certificate and all the validation, collecting the certificate all done mannualy. But this work make it easy for both user and officer, Where the user would get the certificate from the officer by the grid API method of email which provides the password for the certificate download.

Keywords : Blochchain Technology(BT), Notarial office, Certificate, e-Government, AES Encryption and decryption.