Tina Dabi from Delhi topped the UPSC or civil services exam on her first attempt.
The three toppers of civil services examination, all of whom were earlier allocated Indian Administrative Service (IAS), were on Monday given Rajasthan cadre.
All IAS officers are allocated a particular cadre - which is either a state or group of states and Union Territories - to work.
Madhya Pradesh's Tina Dabi, who topped the exam, Jammu and Kashmir's Athar Aamir Ul Shafi Khan (second rank) and Delhi's Jasmeet Singh Sandhu (third rank) have been allocated Rajasthan cadre, as per service allocation by Department of Personnel and Training (DoPT).
They are among 180 other IAS officers who have been allocated various cadres.
The civil services examination is conducted annually in three stages - preliminary, main and interview - to select candidates for Indian Administrative Services and Indian Police Services, among others.