https://goo.gl/AI8trA common thread is that all are, shall say, cheap, and the Q600 unveiled today is no exception at 8,999 rupees (about $150). For that sum, you'll get a quad-core Mediatek 6589M processor, 4.5-inch 854 x 480 screen, 5-megapixel rear camera, 0.3-megapixel front cam, 512MB RAM, 4GB internal memory (expandable via microSD) dual 3G sims and Android 4.2.
Rs. 8700 on Amazon