APAAR ID APAAR ID APAAR IDDD!!!!

HOW TO CREATE APAAR ID!? I MIGRATED FROM ICSE TO CBSE IN WEST BENGAL. I HAVE BANGLAR SHIKHHA PORTAL ID ONLY. SHOULD I CREATE APAAR ID? BUT ICSE/CISCE BOARD ISN'T SHOWING IN APAAR ID GENERATION WHAT TO DO ? please help me 😭😭😭😭🙏🏼