Question

''Let us go for a walk'', said Sabnam to Chandni. (change the narration) please it very urgent

Answer 1

Shabnam asked Chandni to go for a walk
it's from direct speech to indirect, ok?

Answer 2

Shabnam asked Chandini to go for a walk. This is changed from direct speech to indirect.

The changing of indirect to direct sentences gives proper meaning and explained well and convert it.

This is used to identify with right speech and it is ok for converting into direct speech and narration.