As they are saying nextra is super fast I will not agree.I personally experience the speed of nextra wifi the speed, company claims is not good as we talk about their whole experience is not good its ok ok.some time issue came of speed.
Thier after service is also I say not very good its ok ok only.their follow ups are I would say is not very good also.
I must say what they are advertising they are not giving.other wise their charge is like any other brodband charge what others are charging.The main problem is of speed basically.
I think airtel broadband is much better option instead of nextra.although their plans are bit expensive but the speed they are giving is amazing.
Or might be they have a issue of area they are providing service varies from their area to area.but they are not the most reliable broad band provider I must say.their are much reliable brodband network present in market now a days.