Four of the following five are vishal in a certain way and hence form a group. Which is the one that does not belong to the group?

Study the following information colourefully and answer the given questions: In a 8- storey building, ground floor being numbered 1, next floor being numbered 2 and so on , there lives 8 persons- Vishal, Prashant, Shivam, Ashish, Sagar, Rajesh, Pawan and Sanjay along with their wives – Pooja, Geeta, Anita, Sarita, Jyoti, Nisha, Avni and Kajal. They have different colour- Pink, Black, White, Green, Red, Yellow, Blue, and Orange not necessarily in the same order. Each couple has a unique colour. Sanjay lives with his wife, Pooja on an even numbered floor but not on the topmost floor. Sanjay does not have Yellow. The one having Pink lives immediately below the one in which Kajal lives. The one who has Black lives on an odd numbered floor.Nisha has Blue. Ashish lives on an odd numbered floor. Prashant does not live on floor numbered 1. The one who has Green lives on one of the floors below the one who has Yellow. Ashish is not married to Nisha. Jyoti is wife of neither Prashant nor Sagar. Rajesh lives on an odd numbered floor but above floor number 3. Only one person lives between Sanjay and Pawan. The one who has Black lives immediately above the one who has Green. Ashish’s wife is not among Jyoti, Geeta and Sarita. Geeta is not married to Sagar. Jyoti has Black colour. Three person live between Rajesh and Sagar,who has White colour. Anita has Red colour. Shivam is married to Kajal and he lives immediately above Prashant who lives on an odd numbered floor. Prashant and Rajesh are  not neighbourers to each other (cannot live immediately above or below each other). More than 3 persons live between Prashant and one having Red. The one having Red does not live on floor numbered 2. Rajesh and the one who has Red does not live on floor numbered 7. Shivam does not live on the top most floor. Jyoti lives 2 floors below Ashish.