How do I get to know where the next kolkata center will be? I need to go there for document verification

I could not verify my class 10 marksheet today, so I was told to bring them to the next exam that will be taken on same city. Now I want to know how do I get the address or exact venue/location of the centre for the next exam (say for kolkata the next exam is on 2nd October).

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“Location of Kolkata Test Center?”

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