According to Mahabharata, Which is known as a formulation of Army ?

According to Mahabharata, Which is known as a formulation of Army ?

According to Mahabharata, Which is known as a formulation of Army  ?

A. Chakradwar 

B. Chakranemi

C. Chakradhar  

D. Chakravihu

Correct answer is option D : Chakravihu