He hails from Thikana "Palaitha", a premier principality of the erstwhile Kotah State in Rajasthan.
On narrowly missing the opportunity, he travelled back to India and decided to work for his cousin, the Maharaja of Jaipur, HH Sawai Man Singh II in the state government, where he served as Secretary in various ministries.
During the late 1940s he was a member of the Constituent Assembly of India and got the opportunity to live in Delhi and see firsthand the process of Indian Independence.
Heera Lal Shastri invited him to join his ministry in Jaipur after he became the Chief Minister of Rajasthan.
During the last two years of his life, Apji Dalel Singh suffered from ill health.