SO,in Mumbai(Bombay)the Govt.still can't grasp that eunuchs are STILL HUMAN,and capable of rational political choice despite the alteration in their genitalia!
How about having 3 boxes to check:
'Male','Female' or 'Both'?

http://www.independent.co.uk/news/world/asia/eunuchs-demand-right-to-vote-1787662.html