1) Is Aadhaar number mandatory for the purpose of admission in school/college. 2) If the answer of the above question is affirmative, has the Authority issued any directions for the said purpose. Kindly furnish a copy of the same. 3) Please provide the certified copy of the permission to access Aadhaar database given by UIDAI. 4) Is aadhar number mandatory for teachers attendance on UDISE AND SALAKOSH.