Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  kate5-data konsole-kpart
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
  binutils binutils-x86-64-linux-gnu g++-9 gcc gcc-9 libstdc++-9-dev
Suggested packages:
  binutils-doc g++-multilib g++-9-multilib gcc-9-doc gcc-multilib autoconf
  automake libtool flex bison gcc-doc gcc-9-multilib gcc-9-locales
  libstdc++-9-doc
The following NEW packages will be installed:
  binutils binutils-x86-64-linux-gnu g++ g++-9 gcc gcc-9 libstdc++-9-dev
0 upgraded, 7 newly installed, 0 to remove and 2 not upgraded.
Need to get 1,613 kB/20.0 MB of archives.
After this operation, 87.5 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://in.archive.ubuntu.com/ubuntu focal-updates/main amd64 binutils-x86-64-linux-gnu amd64 2.34-6ubuntu1.3 [1,613 kB]
Err:1 http://in.archive.ubuntu.com/ubuntu focal-updates/main amd64 binutils-x86-64-linux-gnu amd64 2.34-6ubuntu1.3
  Hash Sum mismatch
  Hashes of expected file:
   - SHA512:dcb9bb00f38000ce678d762a023981558e5dde03bdd8fdaf760b63e37a0f6090e25e9790119101b6152eff97b423a0945e57619bb55426f349b4ea3b86941c80
   - SHA256:499c1811723ec5fcc9dace115534edc971aa374a237040ac2d3266271aa81dae
   - SHA1:c0b171b273fd38b3e1165ca67548206bc2288257 [weak]
   - MD5Sum:d9769a7bf05be2ab35c4571976088708 [weak]
   - Filesize:1613160 [weak]
  Hashes of received file:
   - SHA512:3fe201740e5cc664e632ac02935a10e1589e1eefe4609717e8e3e8631356e6a6d67d77c612e43eac441d52e32edde49cac7d585e070c869594849f9e3ff1c5ee
   - SHA256:e7d8432ef1b6f7e0218d88dcc49691d233a2bdcd1f8d6a91be65120ded9a47ff
   - SHA1:f3ce375ebf6672c552dbe4705c8558031b9a1196 [weak]
   - MD5Sum:f8171552e0513df7e9b3aa88f1092240 [weak]
   - Filesize:1613160 [weak]
  Last modification reported: Mon, 25 Oct 2021 16:15:46 +0000
Fetched 1,613 kB in 0s (3,580 kB/s)
E: Failed to fetch http://in.archive.ubuntu.com/ubuntu/pool/main/b/binutils/binutils-x86-64-linux-gnu_2.34-6ubuntu1.3_amd64.deb  Hash Sum mismatch
   Hashes of expected file:
    - SHA512:dcb9bb00f38000ce678d762a023981558e5dde03bdd8fdaf760b63e37a0f6090e25e9790119101b6152eff97b423a0945e57619bb55426f349b4ea3b86941c80
    - SHA256:499c1811723ec5fcc9dace115534edc971aa374a237040ac2d3266271aa81dae
    - SHA1:c0b171b273fd38b3e1165ca67548206bc2288257 [weak]
    - MD5Sum:d9769a7bf05be2ab35c4571976088708 [weak]
    - Filesize:1613160 [weak]
   Hashes of received file:
    - SHA512:3fe201740e5cc664e632ac02935a10e1589e1eefe4609717e8e3e8631356e6a6d67d77c612e43eac441d52e32edde49cac7d585e070c869594849f9e3ff1c5ee
    - SHA256:e7d8432ef1b6f7e0218d88dcc49691d233a2bdcd1f8d6a91be65120ded9a47ff
    - SHA1:f3ce375ebf6672c552dbe4705c8558031b9a1196 [weak]
    - MD5Sum:f8171552e0513df7e9b3aa88f1092240 [weak]
    - Filesize:1613160 [weak]
   Last modification reported: Mon, 25 Oct 2021 16:15:46 +0000
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?