blood bank Mein Rakt Daan se kya kya Labh Hota Hai Chhota Uttar bataen

Rakt daan se maha daan hota h. Ye krke hm logo ki Jaan bacha skte h or ye hmare sehatt ke liye v laafdaayk hota h.
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Rakt daan karke hmara sehatt faydemand kaise hoga??
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Donating blood can help someone fighting for their life
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