One more thing @Luca_Zanetti - for TensorFlow 2.5 with GPU support, you’ll need:

CUDA 11.2
cuDNN SDK 8.10
NVIDIA drivers 450.80.02 or higher [UPDATED - see GPU support  |  TensorFlow 8 for the latest info]

(The docs are being updated.)
Thanks for the writing a blog post about this, @ashutosh1919. Can you check the link you shared?