Face of Prophet Mohammad and Imam Mehdi Gohar Shahi in the Hajar Aswad. Look at the middle of the Black Stone, and notice two joint heads, one is that of The Prophet Mohammad, and the other of the Awaited Imam Mehdi Ra Riaz Gohar Shahi.
Remember well: Kissing and revering the Holy Black Stone is the most important part of the pilgrimage of Haj to the Holy Cubicle. According to traditions of the Prophet Mohammad, kiss of the Holy Black Stone renders salvation to humanity.
It is commonly believed that the first Caliph Adam, also known as Shankar Jee brought this Holy Black Stone from the Higher Realms of Malakut (Paradise). As Adam is known as Shankar Jee also, similarly, Imam Mehdi is known by different titles. Hindu's know Imam Mehdi by the title of Kalki Avatar.