The Indian Army is divided into several Commands, each responsible for a specific geographical area. These Commands play a crucial role in military operations and defense strategies. In this question, we are asked to identify the command that is not one of the Commands of the Indian Army.

Option 1: South Western Command - This is one of the Commands of the Indian Army. It is responsible for operations in the southwestern region of India, including states like Gujarat and Rajasthan.

Option 2: North Eastern Command - This is the correct answer. The North Eastern Command is not one of the Commands of the Indian Army. It is important to note that the Indian Army does have a presence in the northeastern region, but it does not have a dedicated command for that area.

Option 3: Central Command - This is one of the Commands of the Indian Army. It is responsible for operations in central India, including states like Uttar Pradesh and Madhya Pradesh.

Option 4: Army Training Command (ARTRAC) - This is one of the Commands of the Indian Army. Its primary focus is on training and education within the army.

In conclusion, the correct option is 2, as the North Eastern Command is not one of the Commands of the Indian Army.