The correct answer is (c). The Kalsi Inscription is a 3rd-century BCE edict of Ashoka the Great, the Mauryan emperor of India. It is inscribed on a rock face at Kalsi, in the Dehradun district of Uttarakhand, India. The inscription records Ashoka’s conversion to Buddhism and his efforts to promote the Buddhist faith throughout his empire. It also contains a number of moral and ethical teachings, such as the importance of non-violence, compassion, and tolerance.
The other options are incorrect. Chandragupta Maurya was the founder of the Mauryan Empire, which ruled over most of the Indian subcontinent from the 4th to the 2nd centuries BCE. Kanishka was a Kushan emperor who ruled over a large empire in Central Asia and the Indian subcontinent from the 1st to the 2nd centuries CE. Pushyamitra Sunga was the founder of the Sunga dynasty, which ruled over northern India from the 2nd to the 1st centuries BCE.