suresh and nirmala also provide the children with spiritual nourishment. this includes regular prayer sessions, and singing. the orphanage is run on christian principles and the couple tries to reflect their values in their everyday lives. >> i try to be like a mother to these children. i do everything i can to show them a mother's love. >> we raise the children. we prevent them not to become street children. and we are providing them good education, and we make them to learn and learn. >> these girls are preparing their lessons for the following day. it's not easy to study when there are 14 of you living in one room. but at least there's enough electricity to keep the lights on. the electricity comes from solar-powered batteries that store sunlight over the course of the day. the batteries power the lamps that the children use at night. >> when there is no electricity, we read on candle. now, here is solar light and we always study. >> here's another potential source of energy. the orphanage owns four buffaloes, and they create a lot of manure. there are