Urgently help needed!!!

Hey i m Adarsh,2021 ,12th board passout science ,Joined BTech submitted Orginal migration certificate,but letter joined another college due to i want CSE, i passout 2025 but college is saying they want migration certificate which they and i forget,i forget to take it from old college now present college is saying give Orginal migration certificate or DADS duplicate from cbse,I went to Website fill out thing correctly still it showing data not found for 2021 passout, check spelling mistake all that but i wrote all things correctly, present college has put my degree on hold,and demanding physical migration certificate.kindly help!!!