Water Divide Between Ganga and Indus River Systems: Ambala

The correct answer is option 'D', Ambala. Ambala is a region located in the state of Haryana in India. It is situated at the water divide between the Ganga and Indus river systems.

The Ganga River, also known as the Ganges, is one of the major rivers in India. It originates in the western Himalayas in the state of Uttarakhand and flows through several states, including Uttar Pradesh, Bihar, and West Bengal, before finally emptying into the Bay of Bengal. The Ganga River system is a vital source of water for irrigation, transportation, and drinking purposes in the region.

On the other hand, the Indus River is one of the longest rivers in Asia. It originates in the Tibetan plateau and flows through the countries of China, India, and Pakistan before finally emptying into the Arabian Sea. The Indus River system is also significant for agriculture, hydroelectric power generation, and transportation in the region.

The region of Ambala is strategically located at the water divide between these two river systems. A water divide, also known as a watershed or a drainage divide, refers to a geographical boundary separating the water flow into different river systems. In the case of Ambala, it acts as a water divide between the Ganga River system and the Indus River system.

Ambala's location at the water divide makes it an important region for water management and planning. It plays a crucial role in determining the direction of the water flow and the distribution of water resources between the Ganga and Indus river systems. This geographical feature has significant implications for the surrounding areas in terms of water availability, irrigation, and overall water management.

In conclusion, Ambala is the region that acts as a water divide between the Ganga and Indus river systems. Its strategic location makes it an important area for water management and planning in the region.