This term is a combination of two words i.e., Khilafat and Rashida which means ‘Rightly Guided Caliphs’. It refers to those four pious successors of Prophet Muhammad  who came one after another to rule the Muslim Ummah. Their names are Abu Bakr
 who came one after another to rule the Muslim Ummah. Their names are Abu Bakr  , Umar
, Umar  , Usman
, Usman  and Ali
 and Ali  respectively. Some Muslims also add the name of Imam Hasan
 respectively. Some Muslims also add the name of Imam Hasan  in this list.
 in this list.