Samsung Galaxy S Duos (Rs 9,200): The Galaxy S Duos is a great budget device that has remained one of the most popular android devices. A dual SIM android smartphone powered with a 1 GHz Qualcomm snapdragon MSM 7227A processor runs on Ice Cream Sandwich, upgradable to Jelly Bean. It has a 4 inch LCD display, 768 MB RAM, 4 GB of usable onboard storage and a 5 megapixel auto focus camera with LED flash. It also has a VGA camera on the front for video calling.