Jaikishan and Arun are pushing each other as shown in the given figure. Jaikishan’s push is weaker than that of Arun. As a result, they move in the direction shown in the figure.
Jaikishan and Arun move in the given direction because of:
Unbalanced force
It is clear from the given information that Arun is pushing harder, i.e., their pushes are unequal. Hence, the net force between them will be unbalanced and the direction of force will be as shown in the given figure.