Former Mineral Resources Minister Susan Shabangu is testifying at the Farlam Commission of Inquiry.
The inquiry will determine whether the state must reinstitute charges against 279 miners.
The 34 miners who were killed in 2012 were remembered at the two year anniversary on Saturday.
Lonmin and the government were absent from the Marikana commemoration rally.
Julius Malema has compared the Marikana community to the struggle fighters in Soweto.
Many people are singing and dancing just below the Koppie where their colleagues were killed.