Which of the following statements with regard to Coal India Limited (C

Which of the following statements with regard to Coal India Limited (CIL) is/are true?

• 1. CIL has its headquarters at Kolkata.
• 2. CIL operates through 82 mining areas spread over twenty provincial States of India.
• 3. CIL is the single largest coal-producing company in the world.

Select the correct answer using the code given below.