"The senior Indian officials and their delegations were in South Africa for bilateral engagements with the Free State government," High Commission said in a statement here.
"The visit of Shivpal Singh Yadav, minister of public works and irrigation (Uttar Pradesh government), and the delegation accompanying the minister, was an official visit, which took place at the invitation of the Free State government," it said.
A controversy - dubbed as "Guptagate" - erupted and made global headlines when the plane chartered by well-connected Gupta family, carrying around 200 guests from India, landed at Waterkloof Air Force base here on April 29 allegedly without proper authorisation for a lavish wedding. The incident also caused an outcry over the breach of security at a national key point.
The billionaire Gupta family, which has close ties to President Jacob Zuma, celebrated the wedding of Vega Gupta, 23, to India-born Aaskash Jahajgarhia at Sun City on May 3.
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The High Commission's reaction came after a probe into the controversial landing implicated a senior Indian High Commission official for "name-dropping" and "manipulation" and absolved Zuma.
The High Commission also said that "authorisation for landing was provided to the mission by the South African Air Force on April 9". The statement contradicts of the interim probe report by the South African government that the plane had landed there "irregularly".
Releasing the findings of the interim investigation on Sunday, Justice Minister Jeff Radebe has said one of the findings was that the landing of a chartered commercial aircraft was a direct result of "manipulation of processes" and that names had been "dropped" in the course of events.