Torch.cuda.is_available() returns false in CUDA 10.2

I tried with the other solutions mentioned in similar posts but torch.cuda.is_available() is still returning false
nvida-smi

Thu Apr 29 22:56:44 2021
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 440.33.01    Driver Version: 440.33.01    CUDA Version: 10.2     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|===============================+======================+======================|
|   0  GeForce GTX 108...  Off  | 00000000:04:00.0 Off |                  N/A |
| 34%   61C    P2    64W / 250W |   2398MiB / 11176MiB |      0%      Default |
+-------------------------------+----------------------+----------------------+
|   1  GeForce GTX 108...  Off  | 00000000:05:00.0 Off |                  N/A |
| 35%   60C    P2    74W / 250W |   9587MiB / 11178MiB |      0%      Default |
+-------------------------------+----------------------+----------------------+
|   2  GeForce GTX 108...  Off  | 00000000:08:00.0 Off |                  N/A |
| 18%   58C    P2    62W / 250W |   6621MiB / 11178MiB |      0%      Default |
+-------------------------------+----------------------+----------------------+
|   3  GeForce GTX 108...  Off  | 00000000:0A:00.0 Off |                  N/A |
| 47%   80C    P2   239W / 250W |  10687MiB / 11178MiB |     96%      Default |
+-------------------------------+----------------------+----------------------+
|   4  GeForce GTX 108...  Off  | 00000000:85:00.0 Off |                  N/A |
|  0%   91C    P2   156W / 250W |   9647MiB / 11178MiB |     97%      Default |
+-------------------------------+----------------------+----------------------+
|   5  GeForce GTX 108...  Off  | 00000000:86:00.0 Off |                  N/A |
| 37%   63C    P2    63W / 250W |   9087MiB / 11178MiB |     16%      Default |
+-------------------------------+----------------------+----------------------+
|   6  GeForce GTX 108...  Off  | 00000000:89:00.0 Off |                  N/A |
| 28%   50C    P2    64W / 250W |   9747MiB / 11178MiB |     19%      Default |
+-------------------------------+----------------------+----------------------+
|   7  GeForce GTX 108...  Off  | 00000000:8A:00.0 Off |                  N/A |
|  0%   37C    P8    10W / 250W |     10MiB / 11178MiB |      0%      Default |
+-------------------------------+----------------------+----------------------+

python collect_env.py yields the following information:



Collecting environment information...
PyTorch version: 1.8.1
Is debug build: False
CUDA used to build PyTorch: 10.1
ROCM used to build PyTorch: N/A

OS: Ubuntu 16.04.3 LTS (x86_64)
GCC version: (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 20160609
Clang version: Could not collect
CMake version: version 3.5.1

Python version: 3.7 (64-bit runtime)
Is CUDA available: False
CUDA runtime version: 10.2.89
GPU models and configuration:
GPU 0: GeForce GTX 1080 Ti
GPU 1: GeForce GTX 1080 Ti
GPU 2: GeForce GTX 1080 Ti
GPU 3: GeForce GTX 1080 Ti
GPU 4: GeForce GTX 1080 Ti
GPU 5: GeForce GTX 1080 Ti
GPU 6: GeForce GTX 1080 Ti
GPU 7: GeForce GTX 1080 Ti

Nvidia driver version: 440.33.01
cuDNN version: Could not collect
HIP runtime version: N/A
MIOpen runtime version: N/A

Versions of relevant libraries:
[pip3] numpy==1.20.1
[pip3] torch==1.8.1
[pip3] torchvision==0.9.1
[conda] blas                      1.0                         mkl
[conda] cudatoolkit               10.1.243             h6bb024c_0
[conda] ffmpeg                    4.3                  hf484d3e_0    pytorch
[conda] mkl                       2021.2.0           h06a4308_296
[conda] mkl-service               2.3.0            py37h27cfd23_1
[conda] mkl_fft                   1.3.0            py37h42c9631_2
[conda] mkl_random                1.2.1            py37ha9443f7_2
[conda] numpy                     1.20.1           py37h93e21f0_0
[conda] numpy-base                1.20.1           py37h7d8b39e_0
[conda] pytorch                   1.8.1           py3.7_cuda10.1_cudnn7.6.3_0    pytorch
[conda] torchvision               0.9.1                py37_cu101    pytorch

```nvcc --version```

Copyright (c) 2005-2019 NVIDIA Corporation
Built on Wed_Oct_23_19:24:38_PDT_2019
Cuda compilation tools, release 10.2, V10.2.89

python -c ‘import torch;print(torch.cuda.is_available())’

False

Tried Conda remove pytorch and reinstalled, but the problem persists. Unable to use ‘Cuda’

Did you build PyTorch 1.8.1 from source with CUDA10.1? The binaries would ship with 10.2 or 11.1, so I’m unsure where CUDA used to build PyTorch: 10.1 is coming from?