Allah created the universe and manifested His Lordship for Holy Prophet. As He says is a Qudsi Hadith:
If (O beloved) it was not for you; I would not have created the universe.
How is it possible that the universe still exists. Its system is also running but the one for whom the universe was created is not alive. Whoever believes that Holy Prophet is not alive is disgraced in both the worlds. Sultan Bahoo says about such a person:
How can such a person belong to the umma of Holy Prophet who denies his eternal life. Whoever he is, is a liar, faithless and an absolute hypocrite. The Holy Prophet said:
A liar cannot belong to my umma. (Kaleed-ul-Tauheed Kalan)