Nader Shah's religion

The truth of Nader Shah's religion is one other questions which has faced with so many different answers and ideas from the sources were written at the same time of Nader's life and also same sources-at most Europeans and few interiors-have accused him of an ungodly person. Some others have introduced him an adventures person who was going to create a new branch in Islam. His tendency to sunnism and shiitism has also mentioned in so many sources. As we see since there are so many different ideas about Nader Shah's religion, it is extremely essential to make a special separate research about this topic. In this research, we have tried to find out the truth of Nader Shah's religion.