On 20 April 1904 he married his first wife at the Narayanhity Royal Palace in Kathmandu, Princess Lakshmi Rajya Laxmi Devi of Nepal (1895–1954),[citation needed] the then heir apparent and eldest daughter of King Prithvi Bir Bikram Shah of Nepal.

Princess Lakshmi divorced General Kaiser after his intention to marry a junior wife who was meant to wed either one of his sons or nephews.

[citation needed] During his lifetime Kaiser Shamsher occupied various posts and had many responsibilities both in the civil and the military administration.

As a foreign minister of Nepal, he attended the ceremony of Coronation of King George VI and Queen Elizabeth on 12 May 1937 at Westminster Abbey in London.

[6] The Kaiser Library is situated in the Keshar Mahal near the Western Gate of the Narayanhity Royal Palace.

The library, unique for its architecture, houses more than sixty thousand books, documents, periodicals and manuscripts.

[7] From a very young age Kaiser Shamsher bought and collected books and newspapers, and visited England with his father.