There are many Peaks and Passes for Himalaya. During ancient times the way to India subcontinent was through the Passes. One of the worlds oldest Pass known as Khaibar Pass is situated here. It connected modern Afghanistan and Pakistan. Nolan Pass which is situated 120 kilometres away from Afghanistan located at Pakistan is the oldest Pass with inhabitation. It's known as Meherghad village culture. This culture was developed by Africans, Australian Negros and Asthraloid. India which was part of an Island became a part of Asia due to an landslide which occurred between Indo-Australian subcontinent and Eruropian subcontinent. Almost 70 years back because of these land-sliding, Himalaya was formed as the Sedimentary, Metomorphic rocks were lifted up causing the Tethys to move upwards forming Himalaya. That collisions impact has not subsided. Himalaya is moving upwards. Khaibar, Bolan, Khanihal and Gangtok are passes present in Himalaya, and Nagu La pass connects Tibet and Sikkim. Sikkim is known for various cultures and languages. Nepali is the main language. Even their Lingua Franca is Nepali. Sikkimis also known as Bhutia, Lepcha, English, Limbhu, Magar, Mathdi, Nepal Bahasa, Rayi, Sherpa, Sunuvar, Thamagh, Thulumghe, Tibetan and Yakha languages are being used. Most of them Nepalis. During fourteen century those who inhabited this place from Gham district in Tibet is known as Native Sikkimese. On its east and north side, Tibetans inhabiting. Many Biharis, Bengalis and Marvadis who came in search of job are also here. Good land and good people. Unlike other tourist centres, Sikkim doesn't have any of tourist centre kind of impious and exploitation of customers. To avoid annoyance for travelers, at many places Vajrayana Manyras are inscribed on flags. Even at Darjeeling such flags are seen. It's owned by Buddhist. This kind of faith can be considered unreasonable, but still such actions for the safety of travellers is appreciable. Huge Yaks are their domestic animals. Tourists can travel on its top. But the rate is bit high. On Nadu Layi road Radars are placed by China. After 1962 Indo-China war at as Sino-Indian border, it was closed. Then in 2006 it was reopened following trade agreement. Nadu La is situated 4310 metres above sea level.
