For travelling to remote areas in Sikkim, you might consider:

The correct answer is: d) Local transportation options (e.g., ponies)

Sikkim is a beautiful state in India with a lot to offer visitors. However, it is also a mountainous state with many remote areas. If you are planning to travel to remote areas in Sikkim, you will need to consider your transportation options carefully.

Helicopter services are available in Sikkim, but they are expensive. Private vehicles are also an option, but they can be difficult to drive in the mountainous terrain. Public buses are available in some areas, but they are not always reliable.

The best way to travel to remote areas in Sikkim is by using local transportation options, such as ponies. Ponies are a common form of transportation in Sikkim and they are a great way to see the countryside. They are also relatively inexpensive and they can be hired from many villages.

If you are planning to travel to remote areas in Sikkim, I recommend that you use local transportation options. They are the best way to see the countryside and they are also the most affordable option.

Here are some additional details about each of the options:

• Helicopter services: Helicopter services are available in Sikkim, but they are expensive. They are a good option if you are short on time or if you need to travel to a remote area that is not accessible by other means.
• Private vehicles: Private vehicles are also an option, but they can be difficult to drive in the mountainous terrain. You will need to be a confident driver and you will need to be prepared for the challenges of driving in the mountains.
• Public buses: Public buses are available in some areas, but they are not always reliable. They can be crowded and they may not always go to the places you want to go.
• Local transportation options (e.g., ponies): The best way to travel to remote areas in Sikkim is by using local transportation options, such as ponies. Ponies are a common form of transportation in Sikkim and they are a great way to see the countryside. They are also relatively inexpensive and they can be hired from many villages.