lost class 10 markscard , need them for college document verification

i have lost class 10 markscard
but gave digilocker copy to clg
but said VTU can reject it
what can i do now?
cant i go to school and get new one FASTER than the CBSE website?
if u have applied for class 10 new marksheet on thier website
can u tell me how many days it took for u??