What are the different types of buses that run between Chandigarh and Manali?

I would say there are different types of buses that run between Chandigarh and Manali which would like to share:

• HRTC Ordinary Buses
• HRTC Deluxe Buses

• HRTC A/C Volvo Buses
• Private Deluxe Buses
• Private Volvo Buses