Bismillahirrahmanirrahim
Mafhum-e-Hadith: Hajj Karne wala aisa ho jata hai jaise uski Maa ne usko abhi paida kiya ho
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Abu Hurairah Radi allahu anhu se rivayat hai ki Rasoollallah Sallallahu alaihi wasallam ne farmaya jis shaksh ne Allah subhanahu ke liye is tarah Hajj kiya ki na koi fahash (buri) baat ki aur na koi gunaah to wo is tarah wapas aayega jaise uski Maa ne usko abhi paida kiya ho ( yani gunaaho se bilkul paak)
Sahih Bukhari, Vol 2, 1521
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Narrated Abu Huraira Radi Allahu Anhu : The Prophet Sallallahu Alaihi Wasallam said, Whoever performs Hajj for Allah's pleasure and does not do evil or sins then he will return (after Hajj free from all sins) as if he were born a new.
Sahih Bukhari, Volume 2, Book 26, Number 596: