Micromax — defective browser of phone Micromax canvas knight a350

Address:

New Delhi, Delhi

I am having Micromax canvas knight a350 and its Internet does not work I have tried it in different browsers as same phone as well as other phones in other phone Internet works so fast but in this phone internet dosent work only and this phone heats up very fast if doing voice calling and other things and I bought this phone 10-11 fays back and is in warranty I want a replacement of this phone.