Asus — purchased mobile phone is defective

Address: Mumbai City, Maharashtra

I had purchased asus zenfone 2 on 10th june 2015 from one up infotech that is asus dealer in borivali (west), mumbai. That mobile phone worked good for 7 days and now battery of mobile is not working propely. it gets down quickly after charging and also mobile phone generate more heat at the time o[censored]sing the phone. and 1st slot mobile phone is also defective. 3g internet is also not working in 1st slot. i want replacement of this mobile phone or money back.