Choose the correct option in a given codes :(i) Defence and strategic studies centres around the management of military force in inter and intra-State relations.(ii) Defence and strategic studies centres around the management of military force in inter andintra-State relations with national security as its core.(iii) Defence and strategic studies centres around the management of military force.(iv) Defence and strategic studies centres around security calculus.Codes :

• A. (i) is correct and (ii), (iii), (iv) are incorrect.
• B. (ii) is correct and (i), (iii), (iv) are incorrect.
• C. (iii) is correct and (i), (ii), (iv) are incorrect.
• D. (iv) is correct and (i), (ii), (iii) are incorrect.