Ism-e- Azam or Al-Ism al-A'zam, literally "the greatest name (also known as "Ismullah-al-Akbar" refers in Islam to the greatest name of Allah known only to the prophets.
Some names possess general meanings and can be applied instead of several other names... as far as will be ended to a/the name that there won't be another name(s) higher than that, and is called Esm-A'zam or Ismullah al-Akbar" (of course Ismullah al-Akbar has been applied to another meaning, too).

Ismul A'zam is believed by whom? to have a powerful effect in the act of blessing. According to Islamic hadiths, whoever calls Allah using this term, his or her dua will be granted

Ism-e-Azam | Oulad-e-Narina Kay Liye | Iqbal Bawa | Wazeefa

https://www.youtube.com/iqbalbawaARYQTV

www.facebook.com/iqbalbawaARYQTV

Iqbal Bawa contact numbers

+92300-2786786

+92321-8254143

+92300-8254143