IRS was the first Indian study to cover rural India extensively.
Since 2010, IRS moved to releasing data from half-yearly to a quarterly basis.
IRS was the first study to use NCCS as a consumer classification tool.
IRS embraced 100% Dual Screen CAPI across India, thus completely eliminiating the traidional Paper and Pencil method of conducting surveys.
In 2013, IRS saw the use of GPS devices to track interviews and also introduced audio recordings for the first time to ensure greater scrutiny.
The 2017 report has seen a 40% increase in sample size, the highest ever in IRS history.