Zakir Naik MISTAKEN in claiming Guru Nanak was Muslim

Dr Zakir Naik is mistaken in thinking that Guru Nanak was a Muslim.
In this video, we briefly explain to him why.

For more information on this subject, visit:

http://www.islamsikhism.com/muhammad-faruq-nanak-muslim/
http://www.islamsikhism.com/tag/ahmadiyya/
http://www.islamsikhism.com/tag/nirgun/