You do understand the difference between wireless and wired internet right? There is no unlimited plan on wireless internet.
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[MENTION=128807]Nanducob[/MENTION]
Whatever dongle you take, check the local people what they are using and how is the connectivity and coverage. Reliance and MTNL have good plans at 1100 Rs, 40 GB High speed data(300KBps - 1MBps download speed) and 18KBps after 40 GB.
I am currently using Reliance 40 GB plan, at peak time (during evening) the connnection suffers, but at late night and at morning it give good speed/ping. It is roaming free.
But their Customer Support is big MF dumb ass retards. No matter how many times you call them for the same issue they will say "We will call you back in 24 hours" but no one shows up. See this, My dongle is not getting any signal for 7+ days, I made a complain still it is not solved, I have been calling them daily.
See this.
View attachment 15127
MTNL have the same plan 40 GB 999 Rs, but it have some charges for roaming.
Docomo is also having the same issue during peak usage hours, been used it for 3 years but it was giving me trouble recently(high ping in games, connectivty problem ) so moved to Relience. I used the plan 20GB for 900 Rs plan and 32 KBPS after FUP.