Central Board Of Secondary Education [CBSE] — Didn't get my migration

Although migration has been sent by cbse to various schools in India but in bihar the migration of class 12th is not sent. Due to this, I am facing some issues in my btech enrollment to RTU board. Thus, I have also applied online for my migration but it didn't come although it's been 15 days of apply. So, I humbly request you to see through my problem and send me my migration. Here is my migration tracking id-P22DD167716. Please do something regarding this.