Question

Gavinda said,The earth move around the sun .(input indirect speech)

Answer 1

Answer:

Gavinda said that the earth move around the sun

Answer 2

Answer:  Here you can rewrite the sentence as Gavinda replied that the earth moves around the sun.

Explanation:

In direct speech its simply conveying of  words said by any person in quotetion marks, (usually) whereas in indirect speech we just reframe the meaning of the sentence been said about or simply report what is being said.

Lets take an example : Direct speech : She said, "I have been studying very hard".

Indirect speech we will just write she said that she had been studing very hard.