Index of Services Production:

Study notes saved to /tmp/ISP_UPSC_Notes.md, grounded in three PIB (MoSPI) sources covering the ISP's launch, methodology, coverage, and background. Key highlights: MoSPI-led, base year 2024-25, Laspeyres volume index, ~19 sub-sectors/60% coverage, TAC chaired by Debjani Ghosh — all cross-checked against the IIP for the classic trap-area comparison.