Raspbian
Optimized version of Debian for the Raspberry Pi hardware. Provides the full repository of packages for Pi users in India.
https://raspbian.mirror.net.inOpen Source Mirror Network
High-speed local access to popular Linux distributions
Ubuntu Archive
The primary software package repository for Ubuntu. Use this for `apt update` and installing software on existing Ubuntu installations.
http://ubuntu-archive.mirror.net.inUbuntu Releases
Official ISO images and installation media. Visit here to download full desktop and server installers for all supported Ubuntu versions.
http://ubuntu-releases.mirror.net.inUbuntu Ports
The software package repository for Ubuntu architectures other than x86, such as ARM, PowerPC, and RISC-V.
http://ubuntu-ports.mirror.net.in