He completed four films over the next four years: Lest We Forget, From the Mouthpiece On Back, Twins Mankala, and A Song for Daniel.
[6] At age 23, DaSilva made his first published film, a short documentary called Olivia's Puzzle.
[8] The film addressed the theme of ethnic identity retention, and how one's relationship to their home country changes with sociopolitical events, in this case the war between the U.S. and Iraq.
His next film Twins of Mankala showed the disparities of growing up Kenyan in a village versus Lowell, Massachusetts.
It was released theatrically and broadcast as the opening film for the 2014 season on the POV strand of PBS, received numerous awards and as of 2018, is available for viewing on Amazon Prime.
[13] In 2015, When I Walk won an Emmy Award for Outstanding Informational Programming – Long Form, News & Documentary.
[17] As depicted in When I Walk, DaSilva met Alice Cook in 2010 at a multiple sclerosis support group.
[18] In 2011, DaSilva created the new media project called AXS Map that encourages communities to share reviews on the accessibility of businesses, restaurants and other public places.
[19] As described in Randy Paul Gage's book Mad Genius, DaSilva's "frustration at finding accessible restaurants, stores, restrooms, and other public spaces led him to start AXS Map, which has now morphed into a movement to map out a searchable database of accessible sites.