Hello student before proceeding to registration for foundation course make sure you're ready with the soft copy of documents mentioned below -

1)Photograph of the candidate

2)Signature of the candidate

3)Date of birth certificate

4)10th pass certificate

5)12th Marksheet

6)Category certificate

7)Aadhar Card

For more updates refer to the link mentioned below - https://smash.icsi.in/Scripts/Registration/Instructions.aspx?ID=R1

Feel free to comment if you have any doubt

Good luck