Alok_India
NP2 has the cloned app feature built in.
Settings>Apps>Cloned apps.
Turn on the toggle for WhatsApp & add another whatsapp account to your NP2.
Alternatively, you can use the WhatsApp feature to have 2 accounts on the same device.
Open WhatsApp, tap the 3 vertical dots at the top right corner, tap settings & you should see a green downward pointing arrowhead at the top right corner. (If it’s not there, wait, WhatsApp is rolling out the feature slowly)
Tap on the arrowhead & you will see your present account & an option to add another account.
Tap on the Add account & follow instructions.
If you’re transferring the 2nd account from another phone,be sure to backup the chats in WhatsApp.