Question

Father said to Mahendra "NEVER tell a lie "

Answer 1

Hey mate!
I think that you want to convert it to reported speech...
Father asked Mahendra to never tell a lie. OR
Father instructed Mahendra to never tell a lie.
Hope it helps...
Mark as brainliest

Answer 2

If you want the conversion into indirect speech then it'll be....

Father told Mahendra never to tell a lie.

Pls mark as the brainliest.