Which of the following is a limestone cave?

Apart from Odisha, Odia is spoken in parts of

A. West Bengal

B. Jharkhand

C. Chhattisgarh

D. All of these

Chandrabhaga Mela (fair) is held in which district of Odisha?

A. Deogarh

B. Sambalpur

C. Balangir

D. Puri

Coal for the Talcher Thermal Power Station is obtained from

A. Puri Mines

B. Cuttack Mines

C. Balasore Mines

D. Jagannath Mines

Each district is governed by a District Collector who is chosen invariably from

A. Indian Administrative Service

B. Odisha Administrative Service

C. Indian Revenue Service

D. Both (A) and (B)