Step 1: Recall India's major coalfields.
Jharia and Bokaro lie in Jharkhand; Korba lies in Chhattisgarh; Talcher lies in Odisha.
Step 2: State the answer with a different pair.
Odisha and West Bengal are also leading coal producers, home to the Talcher and Raniganj coalfields respectively.
Final Answer:
Odisha and West Bengal are two important coal producing states of India.$\boxed{\text{Odisha, West Bengal}}$