The question asks us to identify the option that is not a Command of the Indian Army. Let`s analyze each option to determine the correct answer.

Option 1: South-Western Command

This is a valid Command of the Indian Army. It is responsible for the defense of the western borders of India.

Option 2: South-Eastern Command

According to the provided answer, this is not a Command of the Indian Army. However, this is incorrect. The South-Eastern Command is indeed a Command of the Indian Army, responsible for the defense of the eastern borders of India.

Option 3: Army Training Command

This is a valid Command of the Indian Army. Its primary role is to train and prepare soldiers for combat operations.

Option 4: Central Command

This is a valid Command of the Indian Army. It is responsible for the defense of the central region of India.

Based on the analysis above, the correct answer should be: Alert - correct answer should be option 2.