I and my wife will be doing it. any couple or individuals can join us. I am not a guide. No technical gears required, only your sac and may take a sleeping bag. Its a tea house trek, moderate in nature.
You can get an idea of the trip here: http://www.indiamike.com/india/trekking-photologues-f168/sandakphu-a-photo-story-t161129/Reply