Side note: do you mean actual parties in goa, India? Would love to know about this! I spend time in that area every year.
Goa Parties (in my experience anyway) involve Goa Trance music[0] and are sort of their own subculture but it involves people from all walks, e.g. from Burning Man techie decompressionists to German hippies and beyond. Oh, and drugs, though not mandatory.
But I'm no expert so maybe ask an expert if you're interested in this kind of thing. I bet there are also Goa Parties in Goa.