Question: Vikram samvat is official calendar of which contry?
Disambiguated questions and answers: question: Vikram samvat is official calendar in all states of which contry?
Vikram samvat is official calendar in some but not all states of which contry?
answer: Nepal
Federal Democratic Republic of Nepal
Republic of India
India
Natural Questions answer: Nepal (from the Wikipedia article "Vikram Samvat")