[Q] JellyXperia v7 MMX A116 Internet Problem topic

I just downloaded and installed jellyxperia v.7 on my mmx a116. evrything working fine. But I cant use internet on my mobile. I can tether internet to PC and its working. There was an error coming " authentication failed via proxy" . Network signals are strong, I can see H+ on top of my Sim 1 ( Tata Docomo ). Please help!