19/03/2026 - In What's New By blog-sit 0 Weekly Sensitive Price Indicator (SPI) for the week ended on 18-03-2026 Weekly SPI with base 2015-16=100 for the week ended on 18-03-2026 is 326.22 with 0.21 % change over the previous week. Annexure [PDF] Report [PDF] Annexure [Excel] Report [Excel] Previous Summary of Provisional Quantum Index Numbers of Large Scale Manufacturing Industries (QIM) for January 2026