When, on 23 April 1945, his adoptive father died, he succeeded him as the
Maharao Raja of
Bundi. He was at the time serving in
Burma and was news of
Ishwari Singh death was heard by his regiment he was sent back to
Bundi. He in 1946 introduced a constitution for his state. He signed an
instrument of accession in August 1947, and through it he acceded his state to the
Dominion of India. ==Death==