In the context of language spoken in Jharkhand, consider the following statement is/are correct?<br>1. Kurmali is mainly spoken in Hazaribagh and Ranchi.<br>2. Munda language is chiefly spoken in Chota Nagpur plateau.<br>3. Kurukh language mainly spoken by Oraon tribe of the state.<br>Which of the statement(s) given above is/are correct?

Correct Answer: All of these