If you are looking for specific PDF downloads to reference for your essay, these are the most authoritative sources: Sirat-un-Nabi by Shibli Nomani: The definitive scholarly work in Urdu Seerat Un Nabi (SAW) by Maulana Abu Al Kalam Azad: Known for its spiritual and philosophical depth NewBooksNBooks Ar-Raheeq Al-Makhtum (The Sealed Nectar):
سیرت النبی ﷺ: اردو کی بہترین کتب اور پی ڈی ایف (PDF) ورژن کی اہمیت seerat un nabi urdu pdf