West Bengal
sikkim. it shares its border with only one Indian state------- west Bengal
The Indian state of Sikkim shares its borders with three countries - Nepal, Bhutan, and China.
Sikkim (located in east India between Nepal and Bhutan) has a border only with the state of West Bengal.
Goa shares its border with only one other Indian state, which is Karnataka.
There are 3 states & all of them share their land boundaries with 3 other countries-Arunachal Pradesh (shares boundary with Bhutan,China & Myanmar) West Bengal (shares boundary with Nepal,Bangladesh & Bhutan) Sikkim (shares border with Nepal,China & bhutan)
Darjeeling is located in India, at the foothills of the Himalayan Mountain range, in the Indian state of West Bengal. Darjeeling borders Nepal to the west, and shares a small border with Bhutan and Bangladesh. It also borders the Sikkim and Jalpaiguri districts of India.
sikkim
sikkim
I believe it is Sikkim.
Sikkim is the least populated Indian State, not counting Union Territories.
Sikkim