Hi Amita,

Yes, you can download your 12th Marksheet from the DigiLocker App and then take the printout of it and then, you can sign it i.e. self attest it and then click the photo of it to upload it to DU Application form.

Refer here for more info - https://university.careers360.com/articles/du-application-form

Feel free to ask doubts in the Comment Section.

I hope this information helps you.

Good Luck!