Both shared and private taxis can be practical for reaching Sikkim from common gateways such as Bagdogra Airport and New Jalpaiguri Railway Station. The better option depends on your budget, group size, luggage and how much flexibility you need during the road journey.
Shared taxis are generally more economical because the fare is divided among several passengers. They can suit solo travellers and budget-conscious visitors, but departure arrangements may be less flexible, luggage space can be limited, and the vehicle may make additional stops for passengers.
Private taxis cost more but provide the vehicle for your group alone. They allow greater flexibility with departure time and rest stops and can be more comfortable for families, senior citizens, groups with children or travellers carrying several bags.
Winter conditions can make flexibility more valuable. If traffic, fog or changing road conditions slow the journey, a private vehicle may provide a more comfortable experience, while shared transport remains useful for travellers who are comfortable following its operating schedule.
Whichever option you choose, use authorised transport and confirm the fare, destination and luggage arrangements before departure. During busy winter holiday periods, arranging transport in advance can also reduce waiting time after arriving at the airport or railway station.