According to the given information,
Given Names: Sham, Ramu, Vignesh, Vivek, Mounika, Agarwal, Gupta, and Mishra.
Given Posts: Technical Director, Scientist E, Scientist D, Scientist C, Scientist B, Scientific Officer, Technical Assistant B, and Technical Assistant A.
1) Mounika holds the highest post among all.
2) Only one person have post between Mounika and Agarwal.
3) Mishra holds the lowest post among all.
Post
|
People
|
Technical Director
|
Mounika
|
Scientist E
|
|
Scientist D
|
Agarwal
|
Scientist C
|
|
Scientist B
|
|
Scientific Officer
|
|
Technical Assistant B
|
|
Technical Assistant A
|
Mishra
|
4) Vignesh is senior to only two persons.
5) The number of persons senior to Vivek is the same as the number of persons junior to Gupta, who is a neighbor of Scientist D and Scientist B.
6) Gupta is a senior to Vivek, who is not a Technical Assistant B.
Post
|
People
|
Technical Director
|
Mounika
|
Scientist E
|
|
Scientist D
|
Agarwal
|
Scientist C
|
Gupta
|
Scientist B
|
Vivek
|
Scientific Officer
|
Vignesh
|
Technical Assistant B
|
|
Technical Assistant A
|
Mishra
|
7) Two persons have post between Gupta and Sham.
The final arrangement will be:
Post
|
People
|
Technical Director
|
Mounika
|
Scientist E
|
Ramu
|
Scientist D
|
Agarwal
|
Scientist C
|
Gupta
|
Scientist B
|
Vivek
|
Scientific Officer
|
Vignesh
|
Technical Assistant B
|
Sham
|
Technical Assistant A
|
Mishra
|
So, Mounika Holds the highest designation.