The sub-Rs 12,000 segment has been created recently to fill up the needs of consumers who can increase their budget beyond Rs 10,000, but can't go up to Rs 15k. It's an extremely-crowded segment with both established and new brands such as Xiaomi, Motorola, Samsung, Micromax, and Lenovo having a cut-throat competition. The category is seeing powerful features such as dual cameras, 4GB RAM and a loaded battery trickling down to this price point. That's not all, you can there are quite a few smartphones with impressive build quality, thanks to the unibody metallic construction. You can get a good all-rounder if you are able to filter down your needs well, so find the best mobile phones to buy in India under Rs 12,000.