Thank you Sir :). My problem is solved.
By doing:
!pip3 install torch==1.10.1+cu113 torchvision==0.11.2+cu113 torchaudio==0.10.1+cu113 -f https://download.pytorch.org/whl/cu113/torch_stable.html
!pip3 install torch-scatter -f https://data.pyg.org/whl/torch-1.10.0+cu113.html
!pip3 install torch-scatter torch-sparse -f https://data.pyg.org/whl/torch-1.10.0+cu113.html
!pip3 install torch-cluster -f https://data.pyg.org/whl/torch-1.10.0+cu113.html
!pip3 install torch-geometric