Micromax has launched two budget 3G-enabled smartphones, the Bolt S300 and Bolt D320. Both phones are available in Black colour, and come bundled with two month free data plans for Vodafone users. The Micromax Bolt S300 will be available in the market from Tuesday at Rs. 3,300, while the Micromax Bolt D320 will be available from mid-April onwards – no price has been revaled for the latter yet. The...