Its my personal experience which I am sharing to you. Wimax is just like a dieses at hills area. I use it 6 months but it lost my Rs 4000-/ per month when I wish to convert it in as simple internet brod band plan the company persons was not listen the issue properly.
So please be aware about this service. And do not purchases this service. if you want to rais complaint there will no solution given by them. BSNL mean BHAI SAHAB NAHI LAGEGA(internet).