well go to
www.relianceinfo.com to know whether ur handset sopports it or not.....
well the speed of a CDMA connection would be 144 kbps (max) though through R Connect u will get around 80-90 kbps.....
about MTNL.... well in Maharastra its MTNL.... but else where its called BSNL..... go to
www.bsnl.co.in to see & download their aplication form.....
about Bhanrti vs BSNL go to
www.broadband.org.in to compair all the rates.....