A man said to a lady, “Your mother’s husband’s sister is my aunt.” How is the lady related to the man?

If Neena says, “Anita’s father Raman is the only son of my father-in-law Mahipal”, then how is Bindu, who is the sister of Anita, related to Mahipal?

Pointing to the woman in the picture, Rajiv said, “Her mother has only one grandchild whose mother is my wife.” How is the woman in the picture related to Rajiv?

Pointing to a gentleman, Deepak said, “His only brother is the father of my daughter’s father.” How is the gentleman related to Deepak?

Pointing out to a lady, a girl said, “She is the daughter-in-law of the paternal grandmother of my father’s only son.” How is the lady related to the girl?