Shatabdi departs from pf 6 towards chennai and would arrive on pf 6/7.
You can walk back(not loco/engine side) on the same platform towards the end of the platform, and
(1)then take left, walk for about 150mts and turn right you will exit through back gate
(2)then take right, walk till you reach pf 1 and then turn right and walk for about...
more... 200-250 mts you will reach exit on the left side main gate(Note:- If Chennai mail is placed on pf 1 then please take back gate as suggested -point(1) above).
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Let us know if you need more information?
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You can avail free transport to anywhere inside the station for senior citizens and handicapped.