At sif.tigzig.com, free and keyless. SIF is SEBI's Specialised Investment Fund category, barely a year old, and there was no easy way to get its history in one place. This dataset carries every NAV AMFI has published for SIFs since the category began, alongside the scheme master and the quarterly average AUM.
What you get - six files, refreshed twice a day, under a megabyte in total:
sif_nav.csv- every NAV, every scheme, every date.sif_meta.csv- the scheme master, one row per scheme variant.sif_aaum.csv- quarterly average AUM per scheme variant.summary.json- precomputed counts and series, if you want the shape without reading the CSVs.manifest.json- row counts, byte sizes, SHA-256 per file, andgenerated_at.README.txt- every column, its units and conventions.
Fetch them straight from stable paths with no key and no parameters, for example https://sif.tigzig.com/sif_nav.csv. They open in Excel, and DuckDB or pandas will read them over HTTP directly.
Read this before you build on it. The status is deliberately observational - it is beta-testing a pipeline that will later fold into the mutual fund pipeline behind MFPRO. No uptime commitment, and the file shape may still change, so keep your own copy. It is a third-party copy of AMFI data, not affiliated with or endorsed by AMFI.
Three things that will bite you if you skip them. (1) Funds and scheme variants are different counts - AMFI files NAVs at variant level, so one fund with Direct/Regular and Growth/IDCW appears as four rows each with its own code, NAV and AUM; add the variants up to get the fund. (2) Any column named temp_something exists only while SIF is a separate dataset and disappears when it merges into the main scheme master - code written against it breaks on merge day. (3) upload_ts is IST despite a trailing Z, so anything computing publication lag from it is out by 5h30m unless you convert.
Note this is a separate dataset - it is not in the MFPRO app or the mutual fund NAV API yet, and searching that API for SIF will mislead you. Full write-up: https://www.tigzig.com/post/sif-data-release-nav-scheme-master-aum-aug2026.
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