joister connect

i know this is described here already but here's my problem.. i am currently on bsnl 845 plan but still get speeds upto 4mbps.. i am thinking joister-connect which provides 20mbps connection. but it gives RJ-45 as an input whereas my router has an RJ-11 as input. after reading lots of pages of...

I am not sure I have seen anything about this ISP before on this forum so thought I should ask. The plans are jawdropping and I would switch if they get in my area. Is anyone using Joister Connect in Mumbai? How is the service and do they provide the speeds they promise ?