DOTEL/R/2018/80607

DOTEL/R/2018/80607
Request :

Dear Sir,
Please provide below information related to aadhaar.
1). How many Aadhaar unique IDs are linked with mobile number.
2). Which algorithm is used to calculate Checksum digit of the Aadhaar ID.
3). How many persons are found to possess duplicate or multiple Aadhaar ID and what action was taken against.
4). Which company(ies) was(ere) entrusted to process the aadhaar data and store the aadhaar data.

Thanks
Anurag Kumar