Was not the Taj Mahal built by a prince for his love? Then surely this is the most romantic place in India and therefore would be my choice.
Go For Kerala or Andaman Nothing better than these 2 , spending time with your better half in lap of nature is best you can do
Best would be your bedroom in this season. The reason is quite simple as weather is not constant till date and getting out to some unknown place and then watching for your life first is worst
judging by the fact that his profile homepage is set to hxxttp://www.starwoodhotels.com/fourpoints/property/overview/index.html?propertyID=3572 my BS meter just went through the roof with this one.