Which of the following is/are correct?
1. Broad guage railway engines - Varanasi
2. Electric locomotives - Bhopal
3. Integral Coach Factory - Kolkata

Where is the biggest reserve of mica?

A. In South Africa

B. In India

C. In USA

D. In Australia

Which central government agency is responsible for the mapping and exploration of minerals?

A. The Geological Survey of India

B. Surveyor General of India

C. National Mineral Development Corporation Ltd

D. Indian Bureau of Mines

The first coal mine in India

A. Dhanbad

B. Jharia

C. Raniganj

D. Asansol

Coal mines in Jharkhand are located at

A. Jharia

B. Jamshedpur

C. Ranchi

D. Lohardaga