Amarsinhji was born on 4 January 1879 to Banesinhji, whom he succeeded in his titles and dignity as Maharana Raj Sahib of Wankaner at the mere age of two, on 25 June 1881, in the presence of Colonel Nutt, the then Assistant Political Agent of Jhalawad.
[6] He handled it well by providing generous and careful relief efforts, which saved the bhayats and ryots from starving and losing everything.
[6] He made primary education free and set up scholarships for students who, after completing high school, wished to pursue college studies in Arts, Engineering, or Medicine.
[8] He attended the Delhi Durbar in 1911, where he was personally made a Knight Commander of the Order of the Indian Empire by George V.[4][6] A well-educated and progressive ruler, he took an interest in improving the welfare of his subjects.
He also introduced village self-government schemes, the first pensions for state employees, reformed the public services and a strong and effective police force.
[citation needed] During the World War I, he placed the entire resources of his State at the disposal of the Government and saw active service.
[14] He died on 28 June 1954, and his eldest son, Pratapsinhji Amarsinhji, succeeded him as the Maharana Raj Sahib of Wankaner.