Rajan Singh, 26, is from New Delhi
Country third jurisdiction in Asia to allow same-sex marriages
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
Government to offer fast-track citizenship to nationals from neighboring countries
Activist Indrajeet Ghorpad filed complaint
Feb. 29 ruling in Kerala state upheld other judge's decision
Privacy among regulation's key tenants
