Pointing to the photograph of a boy, Lakshmi said, “He is my father’s sister’s husband’s daughter’s brother.” How is that boy in photograph related to Lakshmi ?
Father’s sister’s son

The family tree can be drawn as shown below,

Hence, the correct answer is "Father’s sister’s son".
A is the son of C, but C is not the mother of A. B is A’s sister. C and D are a married couple. E is the mother of C. Who is A’s mother?
Pointing towards Arti, Sukanya said, "She is my husband's mother-in-law's husband's daughter". How is Arti related to Sukanya?
Pointing towards a boy, Sarika said, "He is my sister's son's father's wife's only sister's son." How is Sarika related to the boy?
Pointing to a Girl Abhishek said, “She is the Daughter of the only child of my Grandfather. How is the Girl related to Abhishek?
Pointing to a Boy, Megha said, “He is the only son of my grandfather’s only child.”
How is the boy related to Megha?
Pointing at Rahul, Benkat said, “He is the only son of my father's only son". How is Benkat related to Rahul?
Pointing to a lady, Rohit said "She is the sister of the daughter of my father’s wife’s son." How is the lady related to Rohit?
Looking at a family photo, T pointed to M and said, “His mother N’s husband O’s brother P’s mother S is my wife”. How is S related to M?
Introducing a lady, Sumona said, "she is my father-in-law's wife's only son's daughter's brother's father's sister". How is sumona's father-in-law related to the lady ?
Pointing to the photograph of a boy, Swapna said, "he is my husband's only daughter's father's father-in-law's son's son". How is the father of the boy in the photograph related to Swapna?
A man said to a lady, "your mother's husband's sister is my Aunt". How is lady related to the man?
Sadhana introduces Ramu as “The son of the brother of her father’s wife”. How is Ramu related to Sadhana?
Preeti is Harish's only daughter. Lakhan is Birendra's only son. Lakhan's sister Neeti is married to Manas. Preeti has only one brother, Manas. How is Manas related to Birendra?
Introducing Asha to guests, Bhaskar said, "her father is the only son of my father". How is Asha related to Bhaskar?
A is father of B. B is sister of C. C is sister of D. D is the son of E. How many women are there?