Here is the Historical Interest Rates of Senior Citizens Savings Scheme which is a scheme mostly provided by PSU / Government Owned Banks where a Sr Citizen can invest upto Rs 15 Lakh for a period of 5 Years.
02-08-2004 to 31-03-2012 9.0
01-04-2012 to 31-03-2013 9.30
01-04-2013 to 31-03-2015 9.20
01-04-2015 31-03-2016 9.30
1.4.2016 to 30.9.2016 8.60
1.10.2016 to 31.3.2017 8.50
1.4.2017 to 30.6.2017 8.40
1.7.2017 to 30.9.2018 8.30
1.10.2018 to 30.6.2019 8.70
1.07.2019 to 31.03.2020 8.60
1.4.2020 to 30.09.2021 7.40