If you need good ISP in Azimpur, Lalbagh, Bakshi Bazar and Urdu Road area, You can use Idea Internet Networks & Communication. www.idea.com.bd
They are the best ISP and provides best service in this area according to me.
They are member of BDIX, means you can use local torrent sites (ex: OntohinBD, TorrentBD), any FTP server (ex: mirror.dhakacom.com) and get max speed (no cap) of 12MBps. http://mrtg.bdix.net/18.104.22.168_63.html
Their marketing officers contact no: 01911397137, 01911479323
Visit the website for more details: www.idea.com.bd
I am using their Extreme 2500 package. From 10am-6pm: 320KBps, From 6pm-10am: 640KBps.
They did not updated the package in their website yet.
They also have Online Payment system. You can pay through DBBL, BRAC BANK, BKASH and more.
OPTICAL FIBRE Royal
Bandwidth (10am - 6pm) 1.0 Mbps 1.25 Mbps 1.5 Mbps 2 Mbps 2.5 Mbps Bandwidth (6pm - 10am) 1.5 Mbps 2 Mbps 3 Mbps 4 Mbps 5 Mbps Youtube Cache Real IP BDIX (Premium) Movie Server Happy Hour Boom (6PM - 10AM) Movie Server (Premium) Free Installation *
I am no way associated with the ISP but you can refer my name if you want.