Punjab shares a border with which Indian state to its south?

The correct answer is: b) Haryana.

Punjab is a state in northwestern India. It is bordered by the states of Haryana to the south, Himachal Pradesh to the east, Jammu and Kashmir to the northeast, and Rajasthan to the west. It also shares a border with Pakistan to the north.

Haryana is a state in northern India. It is bordered by the states of Punjab to the south, Himachal Pradesh to the east, Uttarakhand to the northeast, Uttar Pradesh to the south, and Rajasthan to the west.

Uttar Pradesh is a state in northern India. It is bordered by the states of Uttarakhand to the north, Himachal Pradesh