Question

in which language did mahavira deliver his doctrine​

Answer 1

Answer:

Mahavira may have preached in the languages either Sanskrit, Brahmi , Prakrit or Jain prakrit.

Answer 2

Answer:

Sanskrit

He moved from place to place and preached his teachings. His simple way of life, penance and austerity attracted people towards him. Use of Simple Dialect: Mahavira used common dialect in place of Sanskrit to spread his religion.

Hope this helps you!