The correct answer is: c) Kandi region.
The Kandi region is a hilly area in the north-western part of the Indian state of Punjab. It is located in the Shivalik Hills, which are a sub-range of the Himalayas. The Kandi region is known for its undulating topography, with hills and valleys. The region is also known for its forests and its rivers.
The Indo-Gangetic Plain is a vast plain that covers most of northern India and Bangladesh. It is one of the most fertile regions in the world, and is home to a large population. The Indo-Gangetic Plain is not known for its undulating topography.
The Shivalik Hills are a sub-range of the Himalayas. They are located in the north-western part of India, and extend into Pakistan. The Shivalik Hills are known for their undulating topography, with hills and valleys.
The Thar Desert is a desert located in the north-western part of India. It is the largest desert in India, and is known for its hot and dry climate. The Thar Desert is not known for its undulating topography.