Section 10(2) in The States Reorganisation Act, 1956
(2)The territories comprised in the existing State of Ajmer shall form a separate district to be known as Ajmer district, and the territories referred to in clauses (c) and (d) of sub-section (1) shall be included in, and become part of, Sirohi and Jhalawar districts, respectively, in the new State of Rajasthan.
