Explanation:

- Zorawar Singh: He was a famous military general. Not directly associated with revolutionary activities or the Mahant Pyarelal Murder case.

- Shyamji Krishna Varma: He was a prominent Indian freedom fighter but not linked to this specific murder case. He worked overseas to promote India's freedom movement.

- Kesaii Singh Bairha: He was indeed convicted in the Mahant Pyarelal Murder case. He is recognized as a revolutionary in this context.

- Vijay Singh Pathik: Another noted revolutionary, but he was not convicted in this case. He was involved in the Bijolia peasant movement.