Facing network problems on my Nokia 520 for 2 days, how do I recover this?

[Genie Pellon]

facing network problem in my nokia520 frm 2 days. how do i recover dis?

my phn is suffering frm network problem from 2 days no matter there isnt any issue created by company (airtel) . what i;ve found now is smthing wrong happnd to my window phone. plz suggest me as soon as possible.