To find a luxury taxi in Haridwar, you can follow these steps:

1. **Search Online**: Look for luxury taxi services in Haridwar through search engines like Google. Use search terms like "luxury taxi service Haridwar" or "premium car rental Haridwar."

2. **Check Online Marketplaces**: Websites like TripAdvisor, Yelp, or local directories might have listings and reviews of luxury taxi services in Haridwar. 

3. **Contact Local Travel Agencies**: Reach out to local travel agencies or tour operators in Haridwar. They often have tie-ups with luxury taxi services or might provide such services themselves.

4. **Use Mobile Apps**: Consider using mobile apps like Uber or Ola, which sometimes offer luxury car options. Check if these services are available in Haridwar.

5. **Social Media**: Explore social media platforms like Facebook, Instagram, or Twitter. Sometimes luxury taxi services promote their offerings through these channels.

6. **Ask Hotels or Resorts**: If you're staying at a hotel or resort in Haridwar, inquire with the concierge or front desk about luxury taxi services they recommend or collaborate with.

7. **Word of Mouth**: Ask locals or other travelers who have been to Haridwar for recommendations on luxury taxi services.

Once you find a few options, compare their rates, vehicle options, and customer reviews to choose the one that best fits your needs.