Data Inadequate. As No relation is given among Randhir and Nitin.
This justifies what answer for what question? Q & A: 
user
Sukhbir is taller than Randhir but not as tall as Ajit. If Manoj is taller than Nitin, who is shorter than Ajit, then who among them is the shortest?
Options:
(A) Nitin
(B) Sukhbir
(C) Manoj
(D) Data inadequate
(E) None of these
(D)
assistant