Pluto is not vanished from the Solar system. Pluto is considered as a Kuiper belt object in the solar system. It is considered as a dwarf planet.
A planet is defined as a celestial body orbiting a star or stellar remnant that is rounded by its own gravity and has cleared its orbit.
There are many bodies like Pluto orbiting in the orbit of Pluto. These objects are known as Kuiper belt objects. The Pluto is a dwarf planet in the Kuiper belt. Pluto is not considered as a planet as it is not cleared the orbit.
Good work @Siddhanth and Deepanjali!! Keep writing!! Cheers!!