The average height of the hills in the 'X' is around 900-1600 m. The height of the peaks in this region gradually increases from North to South, where some of the highest peaks of the 'X' are found. The moisture laden monsoon winds, coming from the south-west direction, strike the 'X' and cause heavy rainfall to the western portion of this region. Select an option that best fits the description of 'X' provided above.