Democratic presidential candidate's mother was born in India
July 15 memo notes visitation rights, protective measures
Fight for full LGBTQ rights in country continues
Initiative encourages administrators to change uniform policies
Parties backed relationship recognition, trans rights ahead of general election
Rajan Singh, 26, is from New Delhi
LGBTQ issues largely absent from campaign
Country's Supreme Court last October ruled against marriage equality
Transgender issues are among those being discussed
Voters will begin to cast ballots on April 19