That sounds like a great trip! Hampi is an amazing place with its stunning ruins and landscapes. If you're looking to connect with others for your trip: Travel Forums: Check out travel forums like TripAdvisor or Lonely Planet's Thorn Tree for fellow travelers who might be visiting around the same time.
Social Media: Post on travel-related groups on Facebook or Reddit. You might find other travelers or local guides.
Travel Apps: Use apps like Meetup or Couchsurfing to find people who might be in Hampi during your visit.