What is ISIN no. of securities in demat?

General
1

What is ISIN no. of shares in demat?

Is it same like, Folio no./ Certificate no/ Distinctive no etc.?

2

ISIN is a number that uniquely identifies a security in the world.
ISIN - International Securities Identification Number

3

International Securities Identification Number (ISIN) is a unique identifier for securities. Each security will have a distinct ISIN.