Rajkumari Himani Singh of Sikar was born in Rajasthan. She is the middle daughter of Raja Bikram Singh of Sikar and Rani Bipula Singh (née Kumari Bipula Singh of Bajhang)[2] and she is from the royal family of Sikar state in Rajasthan. She is a Surya Vanshi - Shekhawat Rajput. She completed her intermediate education in commerce, from Galaxy Public School, in Kathmandu. Her sisters are Rajkumari Reshma Singh and Rajkumari Aparna Singh, a doctor.