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VFS Global is the official agent for visa applications on behalf of the High Commission of South Africa in India and the South African Consulate-General Mumbai. Accordingly, everything must go through VFS Global, and they would be the ones to update you on your application's status after the appropriate time has passed.
You seem very nervous about this process, a phenomenon one of our esteemed members likes to call "post-submission anxiety." Unfortunately, waiting is just one of those things that is part of getting a visa. You've submitted your application, and while it is understandable to be anxious about it, there is unfortunately nothing you can do until a response is ready but wait.
Many VFS facilities offer a range of premium services to accelerate the processing time and you should check to see what services (if any) are available to you.