NCMS-OTP based Two Factor Authentication and upgradation of NCMS version

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ANNEXURE 1

THE USER MANUAL OF OTP BASED 2FA

1. Member will have to insert login Credentials on NCMS-CD log in page

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2. After password validation, for the first time login registration window will pop up forcefully. Member will register with mobile number and email Id.

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3. After successful registration, OTP will send on registered mobile number and email Id.

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4. OTP window will pop up to enter OTP.

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5. After entering valid OTP, log in will be successful.

6. In case of invalid OTP entered, error will be displayed and OTP can be regenerated after 30 seconds-

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7. In case of 4 invalid OTP entered, user ID will be disabled, and member needs to connect with NSE Clearing Ltd.

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NSE Clearing Limited

All Members

Sub: NCMS - OTP based Two Factor Authentication and upgradation of NCMS version

In order to enhance the security measures, NSE Clearing Ltd shall be implementing OTP based Two Factor Authentication (2FA) for user login in NCMS-CD (Admin user as well as Sub users).

Members are requested to note that a new EXE version of 4.2.5 will be made available with effect from 12-Sep-2026.

Two Factor Authentication (2FA) shall be implemented w.e.f 15-Sep-2026 for user login on NCMS-CD. The user manual of OTP based 2FA is provided in Annexure 1.

This version can be downloaded from member Extranet/portal “cdsftp/cdscommon/NCMSSetup_425”.

For and on behalf of
NSE Clearing Limited

Nisha Pillai
Vice President