Is it permissible to pray 4 rakats of Nafl with only one salam?

Can we pray 4 rakats of nafl with only one salam for example ishraq namaz? Can we pray 4 rakats with only one salam like we pray 4 rakat Sunnah of Zuhr?

بسم الله الرحمن الرحيم

(Fatwa: 597/493/B=05/1440)

You may offer four rakah nafl salah with one salam.

Allah knows Best!

Darul Ifta,
Darul Uloom Deoband

This answer was collected from the official ifta website of Darul Uloom Deoband in India.

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