Another option go for 12867/Howrah-Puducherry (Aurobindo) Express, which looks to have best timings of Arr & Dep.
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Sun-Jun 14 3AC - GNWL# 47 / WL# 27
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Pretty decent chances of...
more... clearing. If any Senior citizens you can book in LB/SS quota & others in GNWL.Later can adjust onboard.
Sun-Jun 14 3AC - Avbl 6