Change the following sentences into indirect speech :
(a) Rakhi said to me, "Do you know me?"
(b) The old lady said to me, "May *** bless you!"
(c) Mohan said to me, "The sun rises in the east."
(a) Rakhi asked me if I knew him.
(b) The old lady prayed that *** might bless me.
(c) Mohan told me that the sun rises in the east.
