Number of floors between Shreya and Garima is same as the number of floors between Nikita and ____?

Study the following information carefully and answer the question given below: Eight persons Nikita, Amit, Yogita, Priya, Aman, Garima, Shreya and Bhawna lives on a four storey building where as the bottom most floor is numbered as 1 and the top most floor is numbered as 4 but not necessarily in the same order. Each floor has two flats X and Y. Flat X is west of Flat Y of each floor. Flat X of 2nd floor is immediately above the flat X of 1st floor and immediately below the flat X of3rd floor and similarly flat Y of 2nd floor is immediately above the flat Y of 1st floor and immediately below the flat Y of 3rd floor and so on. Aman lives two floors below of Garima. Nikita lives west of Aman. Shreya lives either immediately above or immediately below of Nikita in the same type of flat. Both Yogita and Bhawna live on the same floor. Garima and Yogita are not living on adjacent floors. Priya doesn’t live above the floor on which Shreya lives. Yogita doesn’t live south and north of Priya. Both Amit and Bhawna don’t live in different type of flat.