Applying some imagination, I guess you head to your local internet/phone cafe and charge the thing before heading home, or you or your village have something like this:
Besides, MS doesn't have to do everything. There are plenty of providers of solar charging equipment that no doubt will work with this phone. In fact, here's a random search result: http://www.amazon.in/10000mAh-Portable-Direct-Powered-Batter...