faith gonsalves is using rooms in the school for her project, music basti. she's the project's director for a group that organises music lessons for the children. ♪ only here can the children learn to express themselves through music. in the state schools, there are hardly any classes in the arts. there, the emphasis is often placed on rote learning. >> this kind of work is satisfying for me personally but it also has a lot of challenges. the education system is riddled with so many problems. sometimes it honestly seems really hopeless about how we'll be able to integrate an art or music program within the larger education framework in our country. art and music, even though we're in a very culturally rich country, they're also not considered viable things to study or a viable kind of a profession. reporter: most of the children live in dire conditions: according to unicef, 18 million children between the ages of 8 and 17 live on the streets primarily in large cities such as delhi. nandita bhan recognizes the need for change . she's a social scientist who's

. >> basty an has agreed to be interviewed and have his lawyer there. and we're looking into online work he did about train safety. and he's agreed to speak to the ntsb but has he actually spoken to police? >> he's been with the police. he's told the police he couldn't recall anything. as for being interviewed by the police that was a no-go, according to the mayor, michael nutter of philadelphia. he spent a good deal of the time with police and was cooperative up to the point he would give over a blood sample and hand over to the phone, to the police he would not answer any questions. >> and the ntsb said a positive train control was installed on this track like it was on the rest of the route, this won't have happened and i understand bostian himself had written about this himself. >> this is what is interesting when he talks to the ntsb. there are a number of online writings to be penned by brandon bostian. he wrote about trains and transportation for his high school newspaper. back in 2011 in discussing a fatal crash that was caused been an engineer