Step 1: Understanding Award Classifications in the Indian Armed Forces:
Awards in the Indian Armed Forces are broadly categorized into two major divisions:
• Gallantry Awards: Awarded for conspicuous acts of bravery, valor, or self-sacrifice. These are further divided into wartime gallantry (e.g., Param Vir Chakra, Maha Vir Chakra, Vir Chakra) and peacetime gallantry (e.g., Ashoka Chakra, Kirti Chakra, Shaurya Chakra).
• Non-Gallantry Distinguished Service Awards: Awarded to recognize exceptionally distinguished service, devotion to duty, or meritorious work of a high order during peace or war, without the direct element of physical combat/bravery in the face of the enemy.
Step 2: Evaluating the Peacetime Gallantry Awards:
• Kirti Chakra (A): India's second-highest peacetime gallantry award. It is strictly a gallantry decoration.
• Shaurya Chakra (C): India's third-highest peacetime gallantry award. It is also strictly a gallantry decoration.
Step 3: Evaluating Service Medals:
• Vayu Sena Medal (B): Though it can be awarded for distinguished service, it has a specific Vayu Sena Medal (Gallantry) division awarded to Air Force personnel for individual acts of exceptional courage in flight.
• Vishisht Seva Medal (VSM) (D): This medal is awarded to all ranks of the Armed Forces to recognize “distinguished service of a high order.” It is exclusively a non-gallantry decoration. Thus, option (D) is the correct answer.