Which mobile will be best to buy ranging from from 8000 to 12000 Rupees

Hello,

I am a bit confused regarding purchasing a good phone.
 My budget is from 8000 to 12000 Rupees.
Which one will be good Android Phones, I just need perfect working with no issue.

Have minimum of 3 to 4 GB RAM, 16GB to 32 GB internal memory.
 Have minimum Quod Core processor [atleat have or more 1.5GHz]
Battery capcity should be 2800 to 3500 mAh.
Camera should have good quality of picture .