Which is the best smart phone between Rs.10000/- to 15000/-

i would like to buy a smart phone range between 10000/- to 15000/-. please suggest which one i should go for. i am brand conscious and go for some descent brand. i am looking for android phone having at least 13MP rear camera and 5 MP front camera, a very sleek, light weight phone with at least 5 inch screen, internal memory should be 16 GB and battery 2500 to 3000 mah, RAM 2GB, and processor at least 1.5 ghz, full HD resolution having dual SIM.
please suggest what are the best options.