Hello Chirayu,

It is unfortunate to lose your application number. It is the most important credentials which must not be shared with anyone else for the security reasons. since you lost it, it is suggested that to contact the officials immediately and take the necessary actions. Drop a mail to the officials regarding the issue.

You can also get timely updates delivered to your mail based on subscription. Keep the below-mentioned link handy for any information related to Assam CEE. https://engineering.careers360.com/articles/assam-cee