Yes, North Goa Sightseeing is safe even for a Single lady who is travelling at Night.
North Goa sightseeing tour would be on a SIC basis. So we will provide a good AC seating bus. But if you want some private space, then we suggest you take North Goa Sightseeing in a Private car.
You can carry a personal bottle of water for the North Goa Sightseeing Trip. Moreover, you can take Sunglasses, Suncream and Sun hat/cap.