All muslims belong to HINDU culture- culture of Idian culture and follow the religion preached by their GURUS/LORD/PROPHET. A person follows them based on merits of the preacher. HINDU culture is tought to every kid by their mother irrespective of their religion standing. The name HINDU is given to the culture followed beyond river SINDH by all the persons of Indian subcontinent. The name HINDU is given by ARABS.