who are shia'a imams ?

why shiaa have 12 imams ? and these imams belong to who ?this app contain the story for each imam and his life story and its talk about imam hussein , imam Ali and the whole imams also this app is
Suitable for children & kids to let them know about the imams


Dua e Ahad,Dua e Kumay, Dua e Nudba, Ziyarat Ashoora, Ziyarats,