Look up any ISIN, instantly.
Find an International Securities Identification Number by company name or by ISIN code. Search is routed to the official NSDL and CDSL ISIN master databases — the only definitive sources.
Search ISIN master
Enter a company name (e.g. Reliance Industries) or an ISIN code (e.g. INE002A01018). Choose a depository — we’ll open the official search portal in a new tab with your query.
IN followed by 9 alphanumeric characters and a check digit (e.g. INE002A01018). If you already know the ISIN, paste it directly — both depositories accept ISIN-code searches.
Official ISIN sources
Both depositories maintain the authoritative ISIN master for Indian securities. Always verify ISINs against these portals before transacting.
National Securities Depository Ltd.
Search the NSDL ISIN master by company name or ISIN code. Covers equity, debt, mutual funds, and other dematerialised securities.
Open NSDL search CDSLCentral Depository Services Ltd.
Search the CDSL ISIN database by company name, ISIN, or scrip ID. Same security may have the same ISIN on both depositories.
Open CDSL search BSEBombay Stock Exchange
List of scrips traded on BSE with ISIN, scrip code, and group. Useful for listed equity securities.
Open BSE listing NSENational Stock Exchange
Securities available for trading on NSE with symbol, series, and ISIN. Filterable by segment.
Open NSE listApply for an ISIN with Regnum.
If you’re a listed or unlisted company that needs to obtain an ISIN for equity, preference shares, debentures, or NCDs — Regnum files the application directly with NSDL and CDSL on your behalf.
Apply for a new ISIN.
Start the online application — takes about 10 minutes; allotment in 7–10 working days.