http://repos.del.extreme-ix.org/ubuntu/
http://ubuntu.mirror.snu.edu.in/ubuntu/
http://mirror.cse.iitk.ac.in/ubuntu/
http://ftp.iitm.ac.in/ubuntu/
http://ubuntu-archive.mirrors.estointernet.in/
http://mirrors.piconets.webwerks.in/ubuntu-mirror/ubuntu/
http://archive.ubuntu.com/ubuntu/