Language in bihar

• Maithili 
• Angika 
• Bhojpuri 
• Kudmali
• Magahi
• Panchpargania
• Sadri
• Sarnami Hindustani
• Surajpuri
• Vajjika 

Are the local language of bihar. Apart from them the person who are belonging to punjab they also use panjabi.

Reference website:

en.wikipedia.org/wiki/Bihari_languages

biharjagran.com/language

bharatonline.com/bihar/travel-tips/languages

mapsofindia.com/bihar/bihar-at-a-glance/languages