M-PIN is a 6 digit number that you can use to quickly log onto your Kotak Securities Neo app.
To change your M-PIN,
Go to the profile icon on top right of your app's home screen and click on Security. You should be able to find an option to change your M-PIN there
You might be prompted to enter your password, however if you have already entered your password once in the day, you will be directly taken to the next step
This feature is not applicable for Kotak Stock Trading App.