Patvi Namdar Maharajkumar Shri Udaybhansinhji Natwarsinhji Jethwa Sahib, was the last Maharajkumar or Yuvraj of Jethwa dynasty of Princely State of Porbandar.
Background
He was born at Shrinagar, a town within the erstwhile Porbandar State of Gujarat on 6 October 1901 to Rana Shri Shivsinhji Motiji Sahib Jethwa, a distant cousin of Maharaja Rana Sahib Natwarsinhji Bhavsinhji Jethwa, the ruling scion of Princely State of Porbanadar.
Education
After having done his primary education in Shrinagar & Porbandar he studied at Girassia College at Gondal. Afterwards, he earned Bachelor of Arts degree from Bombay University and lastly studied Government Agriculture College at Poona and in 1932 passed out with Bachelor of Agriculture (BAg) Degree.
Career
As, Rana Sahib Natwarsinhji Bhavsinhji had no male issue, he adopted Udaysinhji, as a son and heir-apparent to the throne of Porbandar on 12 June 1941. In the same year, on 3 July 1941. Udaysinhji was married to Maharajkumari Shri Prem Kunverba Sahiba, daughter of His (or Her) Highness Thakore Sahib Shri Digvijaysinhji Daulatsinhji Sahib of Limbdi.
The couple did not have any issues from marriage.
He started his career as Preventive Officer at Bombay Portuguese Trust and Customs Department. Later on he was Chairman of Indian Farmers Fertiliser Cooperative Limited (IFFCO) from years 1968-1973.
The National Council of Cooperative Training (NCCT) started Udaybhansinhji Regional Institute of Company-operative Management (URICM), named after Udaybhansinhji Natwarsinhji Jethwa in 1956 at Bhavnagar, now shifted to Gandhinagar, Gujarat. He was awarded award by Government of India in year 1971, in field of Trade & Industry from the State of Gujarat as a recognition to his contribution in this field, especially related to agriculture trade and industry.
He died in year 1977, at Bombay, without an issue.
When he died, the Rana Sahib Natwarsinhji Bhavsinhji, the last Maharaja of Porbandar, was still alive, who died two years later in year 1979 but he did not decide upon the next heir to the throne before his death. This has left the headship of Jethwa Dynasty of Porbandar uncertain, even after more than three decades.