Mobile phones made or assembled in India such as Maxx,Micromax,Karbonn,Intex,eTouch are selling like hot cakes as these mobiles provides same features as in international brands such as Nokia,Sony Ericsson and Motorola but at a lesser price. There isn't any problem with the IMEI number, which is present in all these mobiles. Additionally, all of them also comes a year long warranty. Besides, many of them promise some great features such as Dual sim,Expandable memory at prices that are much less than better known multinational brands. These mobiles also offer awesome battery life. Many of them claim to have a battery life of 40 days, but even if they cannot live up to promise, many of them can be used for weeks on end without charging the batteries even once.