Failed to update and unable to install any packages!

when i am running the command"Sudo apt-get update"
getting the error-
Err http://packages.bosslinux.in anoop InRelease
Err http://packages.bosslinux.in anoop InRelease

Err http://packages.bosslinux.in anoop Release.gpg
Unable to connect to packages.bosslinux.in:http:
Err http://packages.bosslinux.in anoop Release.gpg
Unable to connect to packages.bosslinux.in:http:
Fetched 7,429 B in 2min 0s (61 B/s)
Reading package lists... Done
W: Failed to fetch http://packages.bosslinux.in/boss/dists/anoop/InRelease

W: Failed to fetch http://packages.bosslinux.in/securit...noop/InRelease

W: Failed to fetch http://packages.bosslinux.in/boss/di...op/Release.gpg Unable to connect to packages.bosslinux.in:http:

W: Failed to fetch http://packages.bosslinux.in/securit...op/Release.gpg Unable to connect to packages.bosslinux.in:http:

W: Some index files failed to download. They have been ignored, or old ones used instead.
please someone help me to fix it..!