Microsoft — windows phone - lumia 535

Dear sir, i have complaint about working of internet function on my windows phone - lumia 535. The problem is since last 2-3 days. Between the period for few hours, internet function was restored automatically on its own. And now the problem is back. After enquiry at nokia service centre, i was informed that the problem is from the company itself since last may days. I was also informed from few that the problem is with idea network. So please do the needful and clear the problem. My e-mail id is [protected]@gmail.com and contact no. Is +91 [protected]. And imei no. Of my microsoft lumia 535 phone is [protected].