Micromax Canvas Nitro 4G — proper service not provided

Address:

Pune, Maharashtra

I have purchase this micromax phone but after few day this phone was misbehaving like it dosent downdload video & song form net and whenever i turn the net it doesnt turn offs again it axesss to net directly due to this charging goes low and it charges very slow when we visit to it service centre they discalmed it by saying it is not the issue of phone. I am very disponited after buying this phone plz take a quick actiion.