Boundaries
In the 1951 Delimitation, the constituency comprised Bhilai R.I.C. and patwari circles
Nos. 31, 32, 34 to 39 and 141 of
Nandkathi R.I.C. of Durg
tehsil.[1]
In the 1956 Delimitation, the constituency comprised Durg, Bemetara and
Kawardha tahsils of
Durg district. The constituency was numbered 137.[2]
In the 1961 Delimitation, the constituency comprised Durg and Anda R.I.Cs. in Durg tahsil. The constituency was numbered 140.[3]
In the 1967 Delimitation, the constituency comprised Durg RIC (excluding PCs 68 and 83), and
PCs 26, 28 to 31, 37 and 38 in Nankathi.
RIC, in Durg tahsil. The constituency was numbered 141.[4]
In the 1976 Delimitation, the constituency comprised Durg-I and Durg-II RICs and S.A.F. Colony, Kosa Nala, Supela Bazar West, Supela Bazar, Supela Bazar East and Supela Camp West in Bhilainagar and ex-revenue village Chhaoni lying on the periphery of Bhilainagar in Bhilai RIC in Durg tahsil.The constituency was numbered 162.[5]
In the 2008 Delimitation, the was abolished.[6]