The Supreme Court on Wednesday upheld the constitutionality of UIADI's Aadhaar. However, it read down some provisions including the linking of the biometric ID with bank accounts, mobile phones and school admissions.
Here's a chronological timeline of events that led to the Supreme Court verdict today:
*January 2009: Planning Commission notification on UIDAI.
* 2010-2011: National Identification Authority of India Bill, 2010 introduced.
* November 2012: Retired Justice KS Puttaswamy and others file PILs in the Supreme Court challenging validity of Aadhaar.
* November 2013: Supreme Court orders all states and Union Territories be impleaded as respondents.
*3 March, 2016: Aadhaar Bill, 2016 introduced in Lok Sabha; later passed as Money Bill.
*May 2017: Former Union minister and Congress leader Jairam Ramesh moves Supreme Court challenging the Centre's decision to treat Aadhaar as a money bill.
*24 August, 2017: A nine-judge Supreme Court bench rules that right to privacy is a fundamental right.
*15 December, 2017: Supreme Court extends deadline for mandatory linking of Aadhaar with various services and welfare schemes till 31 March, 2018.
*17 January, 2018: A five-judge bench of the Supreme Court begins hearing petitions on Aadhaar.
*25 January, 2018: Supreme Court asks the Chhattisgarh High Court to modify in 10 days its order directing all trial courts in the state to mandatorily accept copies of Aadhaar card for releasing an accused on bail.
*19 February, 2018: Delhi BJP leader Ashwini Kumar Upadhyay seeks direction to the Election Commission to take appropriate steps to implement an 'Aadhaar based election voting system'.
*21 February, 2018: Supreme Court says the alleged defect that citizens' biometric details under the Aadhaar scheme were being collected without any law, could be cured by subsequently bringing a statute.
*7 March, 2018: Supreme Court says Aadhaar number not mandatory for enrollment of students in all India exams.
*13 March, 2018: Supreme Court extends 31 March deadline of Aadhaar linking till it gives its order.
*22 March, 2018: UIDAI CEO says breaking the Aadhaar encryption may take "more than the age of the universe for the fastest computer on earth".
*28 March, 2018: Social activist Reshma Prasad seeks direction to the Centre to create a separate third gender category option on PAN cards for transgenders.
*3 April, 2018: Centre tells the Supreme Court that the Aadhaar law is just, fair and reasonable.
*17 April, 2018: Supreme Court raises concerns that there is a threat of Aadhaar data misuse.
*25 April, 2018: Supreme Court questions Centre on mandatory seeding of Aadhaar with mobile.
*10 May, 2018: Supreme Court reserves verdict.
*26 September, 2018: Supreme Court upholds constitutional validity of Aadhaar but strikes down certain provisions including its linking with bank accounts, mobile phones and school admissions.