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

 If Kamal says, "Ravi's mother is the only daughter of my mother", how is Kamal related to Ravi ?

Pointing to a photograph, a woman says, "This man's son's sister is my mother-in-law." How is the woman's husband related to the man in the photograph ?

Pointing to a man in photograph, a woman said, "His brother's father is the only son of my grandfather." How is the woman related to the man in the photograph ?

A man pointing to a photograph says, "The lady in the photograph is my nephew's maternal grandmother." How is the lady in the photograph related to the man's sister who has no other sister ?

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 Sahil, Neeru says, "I am the daughter of the only son of his grandfather." How Neeru is related to Sahil?

Pointing to a gentleman, Shalini said, "His only brother is the father of my son’s father." How is the gentleman related to Shalini ?

A’s father is B’s son-in-law. C, A’s sister, is the daughter of P. How is P related to B

A is the son of B.
C, B's sister has a son D and a daughter E.
F is the maternal uncle of D.
How is E related to F ?