The filename nsdlssusersetup200 typically refers to the User Setup file for the NSDL SAM (Speed-e Application Manager) or the SMART application, specifically version 2.00.
NSDL provides this software to allow investors to perform various transactions online without needing to submit physical paperwork. This is known as the I-DEAS (Internet-Based Demat Account Statement) facility.
Critical Security Note: The only “top” source for
nsdlssusersetup200is NSDL’s official portal or UIDAI’s recognized e-Sign providers.
Since you are dealing with a file that interfaces with your Demat account:
On the NSDL e-Sign homepage:
The primary function of this software is to act as a bridge between the operator and the UIDAI (Unique Identification Authority of India) database via the NSDL server. Key functionalities include: