Nepal surrendered a part of its western territory in 1816 after its forces were defeated by the British East India company. The subsequent Sugauli treaty defined the origin of the Kali river as Nepal's border point with India.

Was Nepal ever a part of India?

No, Nepal was not part of India. Nepal has never been under the control of any other nation or colonial power.

Why did Nepal get separated from India?

Nepal remained independent and isolated, supported by the export of soldiers to strengthen the British military presence in India. The Himalayan states were Nepal of the Gurkhas, Bhutan, and Sikkim. ... Sikkim came under British protection in 1890; earlier it had ceded the hill station of Darjiling…