Although not recommended, Nest with 2 different brokers can be used on the same system.
Save the applications in two different drives, for example, Kotak Securities' Nest in C Drive and another broker's Nest in D Drive.
Which segments can I trade in via Nest?
Can I use NEST on my iPad/Mac or phone?
Can I use ODIN and NEST on the same device?
How do I get access to the Kotak Securities Neo mobile app?