Most (all?) savings claims by govt are at best projected numbers. For those interested in an analysis of the savings claim and some of the other myths propagated by govt, see the 3 part analysis by Anand (
https://twitter.com/iam_anandv) linked below
Part 1 - https://www.medianama.com/2017/04/223-nandan-nilekani-aadhaa...
Part 2 - http://www.medianama.com/2017/04/223-aadhaar-nandan-nilekani...
Part 3 - https://www.medianama.com/2017/06/223-aadhaar-lpg-scheme/